Genuine Black Tourmaline Products: natural untreated black tourmaline mineral specimens & black tourmaline jewelry!
Try our genuine Black Tourmaline Satisfaction Guarantee - compare our prices and our superior quality. Click on the image of any black tourmaline product shown below to see a larger version.
They are sold individually (please see below).
We specialize in unheated and untreated real black tourmaline that was mined in the earth! Black tourmaline crystals are mined today at many locations worldwide. These natural black tourmalines are mainly used for metaphysical purposes, however black tourmaline does also have some very interesting scientific uses as well. Black Tourmaline is naturally pyroelectric, which means that a black tourmaline can produce an electrical charge when it is subjected to a change in temperature. A piezoelectric current can also be generated when pressure is applied to a natural black tourmaline. Metaphysical sources say that black tourmaline can defend against negative energies, and that it gives protection against negativity from other people as well as protection against negative energy from both electrical fields & magnetic fields. Right now, we are offering natural raw black tourmaline pieces and crystals in all sizes including some very rare large black tourmaline decorator mineral specimens & large black tourmaline crystals! Be sure to also see also our online selection of black tourmaline necklaces and jewelry that were handcrafted from natural black tourmaline crystals! See also our black tourmaline bracelets strung with naturally terminated black tourmaline crystals.
Black tourmaline forms in many different geologic settings. It
most often occurs in granite pegmatites. Tourmalines found in pegmatites are commonly black and they are associated with the feldspar varieties albite and microcline, along with quartz and muscovite. The light colored gem tourmalines are
much more rare, usually occuring in pegmatite core zones with quartz (sometimes as smoky quartz crystals), cleavelandite mineral specimens,
and muscovite (sometimes as the lithium rich variety lepidolite), and more rarely with amblygonite and spodumene (variety: kunzite).
Other geologic occurances for black tourmaline are: with quartz in hydrothermal veins where heated
mineral bearing liquids or gases from deep igneous sources later cooled and
crystallized along rock fractures, by boron metasomatism
in contact and regionally metamorphosed rocks, and black tourmaline also forms in granites due
to late stage alteration of micas and feldspars by boron containing fluids.
Tourmaline is the name of a group of closely related minerals all having
essentially the same crystal structure but varying considerably in chemical
composition and in some of their physical properties. Tourmaline is best described
as a very complex aluminum borosilicate. There are eleven distinct
tourmaline mineral species based on chemical composition: buergerite,
chromdravite, dravite, elbaite, feruvite,
foitite, liddicoatite, olenite, povondraite,
schorl and uvite.
Tourmaline occurs in all colors! Commonly used names have been given to
tourmalines of specific colors or
color combinations such as
indicolite for blue tourmaline, rubellite tourmaline for pink to red shades, and watermelon tourmaline for tourmalines
showing concentric color zoning with pink-red cores surrounded by green.
Because laboratory analysis is necessary to determine the precise chemical composition of a tourmaline, the generally
preferred nomenclature today for tourmalines that have not been lab analysed
is simply to use the color
of the tourmaline specimen as a prefix followed by tourmaline as in green tourmaline.
The color in tourmaline is due to the presence of metal ions (Fe, Mn, Cr, V, Ti and Cu)
in the tourmaline crystal structure.
The color we see in tourmalines is the result of light being absorbed
by these ions or by interactions between these ions.
To see photos of natural tourmaline products, simply select one of the links below. These pages take longer to load as they display for all varieties of tourmaline.
The mineralminers.com® Virtual Gallery - Collector Quality Black Tourmalines At Miners' Prices!TM
Black Tourmaline
Natural Untreated Black Tourmalines
we have these black tourmaline pieces available in assorted sizes from 1" to 2.5" long
Handcrafted from natural black tourmaline mined in Brazil
These polished black tourmaline pieces were tumble polished from 100% natural black tourmaline crystals that were mined in Minas Gerais, Brazil. These rounded & polished pieces of black tourmaline are very popular for metaphysical purposes, and they fit comfortably in your hand, pocket, or purse. These black tourmaline polished pieces are very inexpensive, and they also are very convenient for placing around computer work stations, etc.. as protection against electro-magnetic energies. We have these large size tumbled black tourmaline pieces available at specially discounted volume prices. Please see below for prices, quantities, and ordering.
These genuine black tourmaline crystals were mined in Brazil
These naturally terminated black tourmaline crystals have trigonal prismatic form and natural terminations on each end (known as bi-terminated or double-terminated). The terminations of these small black tourmalines are in good condition overall, with some abrasions. Their small size makes them perfect for metaphysical uses and for feng shui, and they also are very nice as mineral specimens. Each of these black tourmaline crystals has all natural prismatic faces and terminations. We have 3 sizes of these small double-terminated black tourmaline crystals available: 1 inch, 1.25 inches, and 1.5 inches (sizes are approximate). Please see below to order.
These naturally terminated black tourmaline crystals were mined in Brazil. Their small size makes them perfect for metaphysical uses, and they also are very nice as natural black tourmaline mineral specimens. Each crystal has natural prismatic faces and some terminations. We have two sizes of these small black tourmaline crystals available at specially discounted volume prices: 1.1" diameter, 1.3" diameter, and 1.5" diameter (sizes are approximate). Please see below to order.
These tourmaline bead bracelets are available with 4 different sizes of tourmaline beads (please see below)
Handcrafted from natural tourmaline crystals mined in Brazil
These genuine tourmaline bead bracelets are strung with natural tourmaline beads on an elastic band fitting all wrist sizes up to size 7 1/2.
Most of these genuine tourmaline beads are so dark that they are actually black tourmalines, while a few are a very dark green or dark brown. These are all untreated natural color tourmaline beads with no dyes, no fillers, and no epoxies! They are 100% natural tourmaline beads, and when examined closely they show natural pits & cracks. See a close-up photo of these black tourmaline beads with occasional flat spots on their surfaces, and there are occasional small inclusions of other minerals within the tourmaline. The beads in these genuine tourmaline bracelets were hand-ground & polished from natural tourmalines mined in Brazil.
We have these genuine tourmaline bead bracelets available in four approximate bead diameter sizes, please see below to order.
these black tourmaline bracelets are available with 2 sizes of tourmaline crystals (please see below)
These genuine black tourmaline bracelets are strung with completely natural black tourmalines on an elastic band fitting all wrist sizes up to size 8.
Some of the black tourmalines are small crystal sections and others are naturally terminated crystals (all have completely natural unpolished surfaces). Many of these small black tourmaline crystals are bi-terminated!
These black tourmaline pieces and crystals are in mostly good condition with some broken surfaces. They were mined in Brazil.
We have these genuine black tourmaline bracelets available in two approximate sizes, please see below to order.
Each of these polished black tourmaline crystal pendants is set with a handcrafted 925 sterling silver bezel cap. We have them available with crystal sizes measuring approximately 1.2 inches long for $21.95 each (item tbkj243n), and an extra large size with 1.4 inch long crystals for $26.95 each (item tbkj243e).
Our Black Tourmalines are completely Natural - they have not been heated or treated in any way!
Black Tourmaline Information
Natural Black Tourmaline
Tourmaline