ELBAITE VAR. TOURMALINE Karbib District Erongo Area Namibia, Africa
Miniature 1.5 x .80 x .80 Inches 4 x 2 x 2 Centimeters 35.3 Grams
Additional information and photos available upon request
Tourmaline has a variety of colors. Iron-rich tourmalines are usually black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink, etc. Rarely, it is colorless. Bi-colored and multicolored crystals are common, reflecting variations of fluid chemistry during crystallization. Crystals may be green at one end and pink at the other, or green on the outside and pink inside; this type is called watermelon tourmaline. Some forms of tourmaline are dichroic; they change color when viewed from different directions.
Schorl: The most common species of tourmaline is schorl, the sodium iron (divalent) endmember of the group. It may account for 95% or more of all tourmaline in nature. The early history of the mineral schorl shows that the name "schorl" was in use prior to 1400 because a village known today as Zschorlau (in Saxony, Germany) was then named "Schorl" (or minor variants of this name), and the village had a nearby tin mine where, in addition to cassiterite, black tourmaline was found.
Indicolite: Blue color due to iron
Watermelon: Green with pink core
MINERALS: We guarantee the mineral specimen you purchase will be the exact item you receive. It is important to us that you enjoy your mineral specimen as much as we enjoyed sourcing it for you. We use professional photography and video to show you every inch of the specimen using optimal lighting/setup conditions. If you want to view a specimen from a certain angle or lighting source we are happy to provide more images/videos at your request.
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Measurement Descriptions: Thumbnail: 0.2 to 3 Centimeters / .0625 - 1.118 Inches Miniature: 3+ to 5 Centimeters / 1.125 - 1.96 Inches Cabinet: 5+ to 9.5 Centimeters / 2.0 - 3.7 Inches Large Cabinet: Greater than 10 Centimeters / Greater than 4 Inches
Minerals pictured attached to an acrylic base will be delivered attached to the base. We can unmount the specimen for you if you prefer. We offer basic and custom mineral mounting services, contact us for more info.
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