Chrysoberyl Mineral Specimens: Color Change Chrysoberyl Mineral Specimens & Chrysoberyl Crystals including Chrysoberyl Twinned Crystals showing Cyclical Twinning
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Chrysoberyl Mineral Specimens and Crystals

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Chrysoberyl Crystal

This unique item is sold.
Code: chrm102
7.2 grams
0.75" x 0.7" x 0.6"
(19.5mm x 17.5mm x 15mm)
Minas Gerais, Brazil
Price: $68.50
This chrysoberyl crystal is translucent to semi-transparent and has yellow-green color. It has very good quality terminations, and shows multiple twinning (also known as "trilling" in chrysoberyl), giving this specimen a pseudohexagonal form.

Chrysoberyl Crystal Specimen

This unique item is sold.
Code: chrm103
9.8 grams
0.9" x 0.75" x 0.7"
(23mm x 19.5mm x 18mm)
Minas Gerais, Brazil
Price: $86.50
This chrysoberyl specimen is actually several intergrown crystals that are translucent to semi-transparent with some small gem-grade areas. The terminations are in very good condition, and each of the crystals shows evidence of multiple twinning or "trilling".

Transparent Chrysoberyl Crystal

This unique item is sold.
Code: chrm104
33.6 grams
1.65" x 1.15" x 0.6"
(41mm x 29.5mm x 16mm)
Minas Gerais, Brazil
Price: $362.50
This fine quality chrysoberyl specimen is a V-shaped twinned crystal that is semi-transparent to transparent with many small gem-grade areas. It has tabular form, and the terminations are in good condition, with color zones ranging from greenish-yellow to golden-brown. See also a view showing the twinned surfaces, and a view showing the transparency.

Large Chrysoberyl Specimen

This unique item is sold.
Code: chrm105
357 grams
3" x 2.6" x 1.7"
(77mm x 67mm x 44mm)
Minas Gerais, Brazil
Price: $446.25
This large specimen of natural chrysoberyl is translucent to semi-transparent with yellow-green color. It has some areas with faint chatoyancy or "cat's eye", and its surfaces are slightly stream-rolled with some terminations showing. This chrysoberyl piece is very rare due to its unusually large size and translucency with chatoyant areas. It would make a very unique carving, or it could be made into two spheres measuring 1.1" and 1.4" in diameter.

Natural Alexandrite in Matrix


Code: alxm248
Alexandrite in matrix specimen weighing 117 carats
Alexandrite in Matrix Dimensions: 1.7" x 1.4" x 0.6"
Mined in Bahia, Brazil
Price: $28.95
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. It has a biotite schist matrix with a small amount of alexandrite exposed as shown. The alexandrite has dark green color under daylight, and it exhibits natural red-violet colors near one edge when viewed with strong incandescent light. The alexandrite is translucent to semi-transparent with broken surfaces.

Natural Alexandrite in Matrix


Code: alxm252
Alexandrite in matrix specimen weighing 55.7 carats
Alexandrite in Matrix Dimensions: 1.5" x 1" x 0.4"
Mined in Bahia, Brazil
Price: $46.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. The matrix is biotite mica schist. There are several small exposures of alexandrite. The alexandrite has dark green color under daylight, and it exhibits natural violet-purple hues near some edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining on this specimen of natural natural alexandrite in matrix. The alexandrite is translucent to semi-transparent with broken surfaces.

Natural Alexandrite in Matrix


Code: alxm253
Alexandrite in matrix specimen weighing 166.8 carats
Alexandrite in Matrix Dimensions: 1.7" x 1.3" x 1.1"
Mined in Bahia, Brazil
Price: $82.50
This natural specimen of alexandrite in matrix was mined in Bahia, Brazil. The matrix is biotite mica schist. The alexandrite is translucent with dark green color under daylight, and it exhibits natural violet-purple hues near some edges when viewed with strong incandescent light.

Natural Alexandrite in Matrix


Code: alxm251
Alexandrite in matrix specimen weighing 75.9 carats
Alexandrite in Matrix Dimensions: 1.2" x 1" x 0.7"
Mined in Bahia, Brazil
Price: $88.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. The matrix is biotite mica schist. The alexandrite has dark green color under daylight, and it exhibits natural violet-purple hues near some edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining on this specimen of natural natural alexandrite in matrix. The alexandrite is translucent to semi-transparent with broken surfaces.

Natural Alexandrite Specimen


Code: alxm255
Alexandrite specimen weighs 4.64 carats
Alexandrite Dimensions: 0.5" x 0.3" x 0.25" (12mm x 8mm x 6mm)
Mined in Bahia, Brazil
Price: $102.50
This natural alexandrite specimen was mined in Bahia, Brazil. It is a partially terminated alexandrite crystal. The upper surfaces are naturally terminated. The alexandrite is extremely dark and appears to be opaque, however when held to a very bright light (a phone light works great!) it is actually translucent to semi-transparent with a tiny gem-grade area! It exhibits natural deep red color in some areas when viewed with strong incandescent light. See also a back-lit photo using incandescent light to show the red color of this raw alexandrite crystal.

Natural Alexandrite Crystals in Matrix


Code: alxm246
Alexandrite in matrix specimen weighing 63.8 carats
Alexandrite in Matrix Dimensions: 1" x 1" x 0.6"
Mined in Bahia, Brazil
Price: $102.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. About 20% of this specimen consists of intergrown partially terminated alexandrite crystals! The alexandrite has dark green color under daylight, and it exhibits natural violet-purple hues near some edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining on this specimen of natural natural alexandrite in matrix. The alexandrite is translucent to semi-transparent with some broken surfaces and some naturally terminated surfaces. See an additional view of this raw specimen of natural alexandrite in matrix.

Natural Alexandrite in Matrix


Code: alxm249
Alexandrite in matrix specimen weighing 64 carats
Alexandrite in Matrix Dimensions: 1.2" x 0.9" x 0.6"
Mined in Bahia, Brazil
Price: $108.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. About 25% of this specimen consists of intergrown partially terminated alexandrite crystals! The alexandrite has dark green color under daylight. and it exhibits natural red-violet hues near one edge when viewed with strong incandescent light. The alexandrite is translucent with some broken surfaces and some naturally terminated surfaces.

Natural Alexandrite in Matrix


Code: alxm250
Alexandrite in matrix specimen weighing 131.8 carats
Alexandrite in Matrix Dimensions: 2" x 1" x 0.7"
Mined in Bahia, Brazil
Price: $108.50
This natural alexandrite in matrix specimen was mined in Bahia, Brazil. It displays partially terminated alexandrite along one side as shown at left, and there is a large exposure of alexandrite on the opposite side. The alexandrite has dark green color under daylight, and in some areas it exhibits natural red-violet colors near edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining on this specimen of natural alexandrite in matrix. The alexandrite is translucent to semi-transparent with mostly broken surfaces. See also an opposite side photo this natural specimen of alexandrite in matrix.

Natural Alexandrite in Matrix


Code: alxm254
Alexandrite in matrix specimen weighing 179.3 carats
Alexandrite in Matrix Dimensions: 1.8" x 1.5" x 0.9"
Mined in Bahia, Brazil
Price: $114.50
This natural alexandrite in matrix specimen was mined in Bahia, Brazil. It has alexandrite exposed on both the front and back surfaces. The alexandrite is translucent with dark green color under daylight, and in some areas it exhibits natural red-violet colors near edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining through the end of this specimen of natural alexandrite in matrix.

Natural Alexandrite Twinned Crystal, 2.97 carats


Code: alxm256
Alexandrite specimen weighs 2.97 carats
Alexandrite Dimensions: 0.4" x 0.3" x 0.15" (10mm x 8mm x 4mm)
Mined in Bahia, Brazil
Price: $128.50
This natural alexandrite crystal was mined in Bahia, Brazil. It is a naturally terminated v-shape twinned crystal with some abraded areas. The alexandrite is opaque to semi-transparent. It exhibits natural deep red color in some areas when viewed with strong incandescent light. See a back-lit photo using a phone light to show the amazing red color in this natural alexandrite twinned crystal. See also an opposite side view of this natural alexandrite twin crystal.

Natural Alexandrite Specimen, 3.72 carats


Code: alxm245
Alexandrite specimen weighs 3.72 carats
Alexandrite Dimensions: 0.4" x 0.4" x 0.2" (10mm x 10mm x 5mm)
Mined in Bahia, Brazil
Price: $138.50
This natural alexandrite specimen was mined in Bahia, Brazil. It is a partially terminated twinned crystal with some broken areas. The alexandrite is opaque to translucent with some very small transparent areas inside. It exhibits natural deep red color in some areas when viewed with strong incandescent light. See also a back-lit photo using incandescent light to show some of the red color in this color change natural alexandrite specimen.

Alexandrite Crystal in Matrix


Code: alxm247
Alexandrite in matrix specimen weighing 185.6 carats
Alexandrite in Matrix Dimensions: 1.6" x 1.2" x 0.8"
Mined in Bahia, Brazil
Price: $184.50
This natural alexandrite in matrix specimen was mined in Bahia, Brazil. There is a small amount of light green translucent emerald as shown in the middle right portion of the photo at left. This matrix specimen has over 60 carats of translucent alexandrite with some small semi-transparent areas! The alexandrite has mostly broken surfaces and some naturally terminated surfaces, with dark green color under daylight, and some areas exhibit natural reddish-purple hues near some edges when viewed with strong incandescent light. There also is a half inch wide naturally terminated alexandrite crystal partially exposed on one side. See an additional view showing this natural alexandrite crystal in matrix. This alexandrite crystal is translucent and glows reddish-purple in some areas when held to a bright incandescent light. See a photo with a strong incandescent light shining on this natural alexandrite crystal in matrix.

Gem-Grade Natural Alexandrite Crystal


Code: alxm259
Alexandrite specimen weighs 9.14 carats
Alexandrite Dimensions: 0.6" x 0.5" x 0.3"
Mined in Bahia, Brazil
Price: $218.50
This small specimen of natural color change alexandrite is a partially terminated alexandrite crystal with terminations on one side as shown at left. The opposite side has broken surfaces. The transparency ranges from opaque to lightly included, and there is a gem-grade area inside where it would yield a very small lightly included gemstone. This natural color change alexandrite specimen exhibits dark greenish color under daylight, and it shows natural deep red color in some areas when viewed with strong incandescent light. See a back-lit photo using incandescent light to show the fine deep red color in this gem-grade specimen of natural color change alexandrite.

Natural Alexandrite Crystal Specimen


Code: alxm239
Alexandrite specimen weighs 9.81 carats
Alexandrite Dimensions: 0.7" x 0.5" x 0.2"
Mined in Bahia, Brazil
Price: $255.00
This naturally terminated alexandrite crystal has a small amount of schist matrix attached and a second smaller alexandrite partially exposed within the schist. See also an opposite side view of this genuine alexandrite crystal. The alexandrite crystal is opaque to translucent. It glows with natural deep reddish color at the crystal tip when viewed with strong incandescent light. See a back-lit photo using incandescent light to show the fine deep reddish color in the tip of this natural color change alexandrite crystal.

Natural Color Change Alexandrite Twinned Crystal


Code: alxm257
Alexandrite twinned crystal weighs 14.52 carats
Alexandrite Twin Specimen Dimensions: 0.8" x 0.6" x 0.3"
Mined in Bahia, Brazil
Price: $325.00
This small alexandrite mineral specimen exhibits a very nice natural "v" twin. It is naturally terminated with terminations in very good condition at the tip and with some broken areas at its base. The alexandrite is opaque to translucent dark green color under daylight, and it exhibits natural deep red color along some edges of the terminations when viewed with very strong incandescent light. See also an opposite side photo of this natural color change twinned alexandrite crystal.

Color Change Alexandrite Twin Crystal


Code: alxm240
Alexandrite twinned crystals weigh 11.22 carats
Alexandrite Twin Specimen Dimensions: 0.95" x 0.5" x 0.2"
Mined in Bahia, Brazil
Price: $345.00
This is a natural alexandrite crystal specimen with a long flat shape showing natural twinning. Most surfaces show natural crystal faces and terminations and some areas are abraded. The alexandrite is opaque to translucent with dark green color under daylight, and it exhibits natural red color in the crystal tips when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color in the crystal tips of this natural color change twinned alexandrite crystal. See also a back-side daylight photo of these twinned alexandrite crystals.

Color Change Alexandrite Twin Crystals


Code: alxm258
Alexandrite twinned crystals weigh 15.6 carats
Alexandrite Twin Specimen Dimensions: 0.95" x 0.5" x 0.25"
Mined in Bahia, Brazil
Price: $345.00
This natural alexandrite crystal specimen has a relatively long flat shape with a small amount of biotite schist matrix still attached. The alexandrite shows natural twinning. The naturally terminated crystal tips are in good condition. The alexandrite is opaque to translucent with dark green color under daylight, and it exhibits natural red color along some edges and at the crystal tips when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color in the crystal tips of this natural color change twinned alexandrite crystal. See also a back-side photo of this natural alexandrite crystal.

Natural Color Change Alexandrite Twinned Crystals


Code: alxm260
Alexandrite twinned crystals weigh 19.75 carats
Alexandrite Twin Specimen Dimensions: 85" x 0.7" x 0.25"
Mined in Bahia, Brazil
Price: $485.00
This small alexandrite mineral specimen has a thin flat shape and shows natural cyclic twinning. It is naturally terminated with most terminations in good condition and some broken areas. The alexandrite is translucent to semi-transparent with dark green color under daylight, and it exhibits natural red color along some edges and at the terminations when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color of these natural color change twinned alexandrite crystals. See an opposite side view of these natural alexandrite crystals.

Natural Color Change Twinned Alexandrite Crystals


Code: alxm244
Alexandrite twinned crystals weigh 19.74 carats
Alexandrite Twin Specimen Dimensions: 1" x 0.6" x 0.25"
Mined in Bahia, Brazil
Price: $485.00
This small alexandrite mineral specimen has a thin flat shape and shows multiple natural twinning (also known as cyclic twinning). It is naturally terminated with most terminations in good condition and some broken areas. The alexandrite is translucent to semi-transparent with dark green color under daylight, and it exhibits natural red color along edges and at the terminations when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color of these natural color change twinned alexandrite crystals. See an additional back-lit view using incandescent light of these natural color change twinned alexandrite crystals.

Natural Color Change Alexandrite Mineral Specimen


Code: alxm261
Alexandrite twinned crystals weigh 41.34 carats
Alexandrite Twin Specimen Dimensions: 1.1" x 0.9" x 0.4"
Mined in Bahia, Brazil
Price: $815.00
This natural alexandrite mineral specimen is a cluster of intergrown alexandrite crystals. Some are terminated and some broken, and many show natural cyclic twinning. The alexandrite is opaque to translucent with some semi-transparent areas. This alexandrite specimen has dark green color under daylight, and it exhibits natural red color along some edges and at the terminations when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color in one area of this natural color change twinned alexandrite mineral specimen. See an opposite side view of this natural color change alexandrite mineral specimen.

Color Change Twinned Alexandrite Crystals in Matrix


Code: alxm243
Alexandrite in matrix specimen weighs 0.1 Lbs
Alexandrite Twin Specimen Dimensions: 1.4" x 1.3" x 0.9"
Mined in Bahia, Brazil
Price: $1225.00
This alexandrite in matrix mineral specimen exhibits a multiple twinned alexandrite crystal with small gem-grade areas inside! It would yield a couple of small lightly included gemstones. The alexandrite twins are naturally terminated with terminations in good condition. The alexandrite is translucent to semi-transparent with dark green color under daylight, and it exhibits natural red color in some areas as shown at left when viewed with strong incandescent light. See also a back-lit view using incandescent light of the opposite side of these natural color change twinned alexandrite crystals. See also a daylight photo of these twinned alexandrite crystals in matrix.

Natural Color Change Chrysoberyl (variety: alexandrite) Trillings


Code: alxm237
Alexandrite twinned crystal specimen weighs 40.45 carats
Alexandrite Twin Specimen Dimensions: 1.1" x 0.6" x 0.5"
Mined in Bahia, Brazil
Price: $1425.00
This natural mineral specimen is composed of two intergrown twinned chrysoberyl crystals exhibiting repeated natural twinning (also known as cyclical twinning or as chrysoberyl trillings). All surfaces are natural - some are naturally terminated and some are broken. The alexandrite is opaque to translucent with dark green color under daylight, and it exhibits natural red color in some small areas when viewed with strong incandescent light. See a photo of these color change chrysoberyl trillings held up to an incandescent light. See also a side view photo taken under daylight of these natural alexandrite trillings. See also a back-side daylight photo of these alexandrite trillings.

Large Natural Alexandrite Crystal


Code: alxm238
Alexandrite specimen weighs 61.3 carats
Alexandrite Dimensions: 1.15" x 0.9" x 0.5"
Mined in Bahia, Brazil
Price: $2450.00
This naturally terminated alexandrite crystal has dark green natural color under daylight. It is translucent to semi-transparent with some small gem grade areas inside. All surfaces are natural - some are naturally terminated and some are broken. See also an opposite side view of this large alexandrite crystal. The alexandrite exhibits natural deep red color when viewed with strong incandescent light. This natural alexandrite crystal makes a very nice color-change chrysoberyl mineral specimen! See a back-lit photo using incandescent light to show the fine deep red color in this rare size large natural alexandrite crystal. See an additional back-lit incandescent light photo of this large natural alexandrite crystal.

Alexandrite in Matrix Specimen


Code: alxm242
Natural alexandrite in matrix specimen weighing 0.1Lbs
Alexandrite in Matrix Dimensions: 2" x 1.3" x 0.5"
Mined in Bahia, Brazil
Price: $315.00
This is a 100% natural alexandrite in mica schist matrix specimen that was mined in Bahia, Brazil. On the upper surface there are partially terminated natural alexandrite crystals embedded in the schist matrix as shown. The photo at left is a close-up, see also a full view photo of these natural alexandrite crystals in matrix. The alexandrite has dark forest green color under daylight. It is translucent and has areas that show a color change to red-violet hues around the crystal edges under strong incandescent light. This natural alexandrite specimen makes a great color-change chrysoberyl mineral specimen! See a photo showing an incandescent light held to one of these natural color change alexandrite crystals in matrix.
 


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Chrysoberyl

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See also our page displaying Natural Chrysoberyl Cats Eye Gemstones. Visit our page displaying alexandrite jewelry (natural alexandrite jewelry).

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Additional Chrysoberyl Varieties & Items in our Online Store

Alexandrite
(color change chrysoberyl)

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Chrysoberyl

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Chrysoberyl Mineral Specimens and Chrysoberyl Crystals

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Last Updated: February 25, 2023
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