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

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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

This unique item is sold.
Code: alxm228
Alexandrite in matrix specimen weighing 92.5 carats
Alexandrite in Matrix Dimensions: 1.3" x 1" x 0.6"
Mined in Bahia, Brazil
Price: $38.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. It has a biotite schist matrix with some alexandrite exposed as shown. The alexandrite has dark green color under daylight, and in a few small areas it exhibits natural red-violet colors near some edges when viewed with strong incandescent light. The alexandrite is translucent to semi-transparent with mostly broken surfaces.

Natural Alexandrite in Matrix

This unique item is sold.
Code: alxm226
Alexandrite in matrix specimen weighing 56.2 carats
Alexandrite in Matrix Dimensions: 1.3" x 0.8" x 0.5"
Mined in Bahia, Brazil
Price: $38.50
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. It has a biotite schist matrix with a tiny 5mm long alexandrite crystal. The alexandrite crystal has dark green color under daylight, and it exhibits natural red-violet colors when viewed with a strong incandescent light. The tiny alexandrite crystal is transparent.

Natural Alexandrite Mineral Specimen

This unique item is sold.
Code: alxm227
Alexandrite in matrix specimen weighing 69.55 carats
Alexandrite in Matrix Dimensions: 1.2" x 0.85" x 0.7"
Mined in Bahia, Brazil
Price: $68.50
This small size natural alexandrite mineral specimen was mined in Bahia, Brazil. It is composed of more than 90% alexandrite! The alexandrite has dark green color under daylight, and in a few areas it exhibits natural red-violet colors near some edges when viewed with strong incandescent light. The alexandrite is translucent to semi-transparent with broken surfaces.

Natural Alexandrite in Matrix

This unique item is sold.
Code: alxm225-e
Alexandrite in matrix specimen weighing 50.2 carats
Alexandrite in Matrix Dimensions: 1" x 0.8" x 0.6"
Mined in Bahia, Brazil
Price: $89.20
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. It is composed of more than 60% alexandrite! The alexandrite has dark green color under daylight, and in a few small areas it exhibits natural red-violet colors near some edges when viewed with strong incandescent light. The alexandrite is translucent to semi-transparent with mostly broken surfaces and a few tiny gem-grade areas which show very strong color change, and there are a few naturally terminated alexandrite surfaces which also show color change. The small area of light green material in the upper left of the photo at left is actually emerald. See also another photo this natural specimen of alexandrite in matrix.

Natural Alexandrite Specimen

This unique item is sold.
Code: alxm231
Alexandrite specimen weighs 3.49 carats
Alexandrite Dimensions: 0.4" x 0.3" x 0.15" (11mm x 8.5mm x 4mm)
Mined in Bahia, Brazil
Price: $102.50
This natural alexandrite crystal was mined in Bahia, Brazil. Most surfaces are naturally terminated with some broken areas. See also an opposite side view of this natural alexandrite crystal. The alexandrite is translucent to semi-transparent. 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 natural alexandrite crystal.

Natural Alexandrite Crystal

This unique item is sold.
Code: alxm234
Alexandrite specimen weighs 5.6 carats
Alexandrite Dimensions: 0.5" x 0.4" x 025" (12mm x 10mm x 6mm)
Mined in Bahia, Brazil
Price: $154.25
This natural alexandrite crystal was mined in Bahia, Brazil. Most surfaces are naturally terminated with some broken areas. See also an opposite side view of this natural alexandrite crystal. The alexandrite is translucent. 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 natural alexandrite crystal.

Natural Alexandrite Specimen, 12.55 carats

This unique item is sold.
Code: alxm235
Alexandrite specimen weighs 12.55 carats
Alexandrite Dimensions: 0.6" x 0.5" x 03" (16mm x 12.5mm x 7mm)
Mined in Bahia, Brazil
Price: $154.25
This natural alexandrite specimen was mined in Bahia, Brazil. It is a partially terminated crystal with some broken areas. See also an opposite side view of this natural alexandrite specimen. The alexandrite is translucent to semi-transparent. 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 in this color change specimen of natural alexandrite.

Twinned Alexandrite Crystal

This unique item is sold.
Code: alxm232
Alexandrite crystal weighs 6.41 carats
Alexandrite Dimensions: 0.6" x 0.4" x 0.3" (14.5mm x 10mm x 7mm)
Mined in Bahia, Brazil
Price: $154.25
This natural alexandrite crystal was mined in Bahia, Brazil. It is naturally terminated and shows natural cyclic twinning. Some of the back side surfaces are naturally terminated and some are broken. See also an opposite side view of this natural natural alexandrite mineral specimen. The alexandrite is translucent to semi-transparent. 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 natural color change alexandrite crystal.

Natural Alexandrite Crystals in Matrix

This unique item is sold.
Code: alxm229-e
Alexandrite in matrix specimen weighing 50.0 carats
Alexandrite in Matrix Dimensions: 1.2" x 0.7" x 0.6"
Mined in Bahia, Brazil
Price: $215.20
This small size natural alexandrite in matrix specimen was mined in Bahia, Brazil. About 70% 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 some edges when viewed with strong incandescent light. See a photo with a strong incandescent light shining on these natural alexandrite crystals in matrix. The alexandrite is translucent to semi-transparent with some broken surfaces and some naturally terminated surfaces as shown at left. One of the partially terminated alexandrite crystals shows a very strong deep reddish color change. See also a photo showing the deep reddish color change in this natural alexandrite specimen.

Alexandrite Crystals

This unique item is sold.
Code: alxm233-e
Natural alexandrite specimen weighs 13.36 carats
Alexandrite Dimensions: 0.6" x 0.4" x 0.4" (16mm x 10mm x 10mm)
Mined in Bahia, Brazil
Price: $286.20
This natural alexandrite specimen was mined in Bahia, Brazil. It is a couple of partially terminated intergrown alexandrite crystals. Most surfaces are naturally terminated with some broken areas. See also an opposite side view of these natural alexandrite crystals. The alexandrite is translucent to semi-transparent. 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 in these natural alexandrite crystals.

Gem-Grade Natural Alexandrite Crystal

This unique item is sold.
Code: alxm230
Alexandrite specimen weighs 3.84 carats
Alexandrite Dimensions: 0.4" x 0.3" x 0.2"
Mined in Bahia, Brazil
Price: $218.95
This small size naturally terminated alexandrite crystal has facet grade transparency at its tip where it would yield a very small lightly included gemstone. It exhibits natural deep red color at the crystal tip 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 natural alexandrite crystal.

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: $246.25
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.

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 has a long flat shape showing natural twinning Most surfaces 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 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.

Natural Color Change Twinned Alexandrite Crystals

This unique item is sold.
Code: alxm236-e
Alexandrite twinned crystals weigh 7.15 carats
Alexandrite Twin Specimen Dimensions: 0.65" x 0.5" x 0.15"
Mined in Bahia, Brazil
Price: $678.20
This small alexandrite mineral specimen has a thin flat shape and shows multiple natural twinning (also known as cyclic twinning). Most surfaces are naturally terminated and some are broken. The alexandrite is translucent to semi-transparent with dark green color under daylight, and it exhibits natural red color in some areas when viewed with strong incandescent light. There are a couple of tiny gem-grade areas! See a back-lit view using incandescent light to show the natural deep red color in these natural color change twinned alexandrite crystals. See also a back-side daylight photo of these twinned alexandrite crystals.

Natural Color Change Twinned Alexandrite Crystals

This unique item is sold.
Code: alxm241
Alexandrite twinned crystals weigh 13.82 carats
Alexandrite Twin Specimen Dimensions: 0.65" x 0.6" x 0.25"
Mined in Bahia, Brazil
Price: $518.50
This small alexandrite mineral specimen exhibits a very nice natural "v" twin. It is 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 at the termination where there is a tiny gem-grade area when viewed with strong incandescent light. See a back-lit view using incandescent light to show the natural deep red color at the termination of this natural color change twinned alexandrite crystal. See also a back-side daylight photo of these twinned 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: $545.00
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 addiitonal back-lit view using incandescent light of these natural color change twinned alexandrite crystals.

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: $1295.00
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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Alexandrite
(color change chrysoberyl)

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Chrysoberyl Mineral Specimens and Chrysoberyl Crystals

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Last Updated: February 25, 2023
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