Museum Collection This specimen is part of the museum collection catalog. Not for Sale.
Tourmaline var. Chrome Dravite
Commander Mine, Tanzania
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![Tourmaline var. Chrome Dravite](/Files/Minerals/TourmalinevarChromeDravite_283_lg.jpg)
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Classification |
Mineral |
Tags |
Gem Quality
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Origin Location |
Commander Mine, Tanzania |
Description |
Extremely rare, deep green chrome tourmaline mined in 2021 from the commander mine, this 1 gram well terminated crystal was pulled from this coveted find out of only about 20 kilos total ever produced. |
Luster |
Vitreous |
Luster (Groundmass) |
Not noted, see photo. |
Optical Phenomena |
Not noted, see photo. |
Mineral Group / Note |
Not noted, check reference links below. |
Handling |
No special handling is required. |
Modifications |
No modifications. |
Size Group |
Micromount |
Weight |
Not weighed precisely yet, please inquire. |
Dimensions |
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Quantity |
1 Specimen |
Mineral List |
Dravite: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) sodium trimagnesium hexaluminum hexasilicon oxygen boron oxygen oxygen trihydrogen hydroxide *
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Specimen Analysis |
Color Table
Colors found in this specimen image are shown below. Higher number indicates greater concentration of that color.
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Similarly Colored Minerals:
Minerals with similar color profiles are shown below.
How it Works
Tourmaline var. Green![Tourmaline var. Green](/Files/Minerals/TourmalinevarGreen_286_sm.jpg) Quartz / Hedenbergite![Quartz / Hedenbergite](/Files/Minerals/QuartzHedenbergite_656_sm.jpg) Beryl var. Aquamarine![Beryl var. Aquamarine](/Files/Minerals/BerylvarAquamarine_299_sm.jpg) Chrysoberyl var. Alexandrite![Chrysoberyl var. Alexandrite](/Files/Minerals/ChrysoberylvarAlexandrite_607_sm.jpg) Tourmaline var. Elbaite![Tourmaline var. Elbaite](/Files/Minerals/TourmalinevarElbaite_376_sm.jpg) Narsarsukite![Narsarsukite](/Files/Minerals/Narsarsukite_1158_0_sm.jpg) |
Elements in this Specimen:
Elements that are part of the official chemical structure of the minerals occurring in this specimen are indicated below.
How it Works
Element List:
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Minerals with Similar Chemistry:
Minerals that are similar in terms of their chemical makeup are shown below.
How it Works
This Mineral Formula Similar Mineral Formula
Na Mg Al Si O B H Na Al Mg Si O B H
Na Mg Al Si O B H Na V Al Mg Si O B H
Na Mg Al Si O B H Na Cr Al Mg Si O B H
Na Mg Al Si O B H Na Fe Mg Al B O Si H
Na Mg Al Si O B H Na Mg Al Si O B H F
Na Mg Al Si O B H Na Fe Al Mg Si O B H
Na Mg Al Si O B H Na Mg Cr Si O B H
Na Mg Al Si O B H Na Mg Al Si O H
Na Mg Al Si O B H Na Mg Al Si O H
Na Mg Al Si O B H Mg Al B Si O H
Na Mg Al Si O B H K Mg Al B O Si H
Na Mg Al Si O B H Na Li Al B O Si H
Na Mg Al Si O B H Na Mg Fe Si Al O H
Na Mg Al Si O B H Na Al Si O B H
Na Mg Al Si O B H Na Fe Al Si O B H
Na Mg Al Si O B H Na Mg Si Al O H
Na Mg Al Si O B H Na Al Mg Si O H
Na Mg Al Si O B H Na Ca Mg Al Si O H
Na Mg Al Si O B H Na Li Mg Al Si O H
Na Mg Al Si O B H Na Mg Si Al O H
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Mineral Group:
Search the catalog for minerals that share the same group as this specimen:
How it Works
Structural Group(s):
Fleischers Group(s): tourmaline
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Tools |
Edit Specimen Search Wikipedia: Tourmaline (Wiki) Search Mindat: Tourmaline Search Web Mineral DB: Tourmaline Search for Handbook of Mineralogy: Tourmaline Search Wikipedia: Chrome Dravite (Wiki) Search Mindat: Chrome Dravite Search Web Mineral DB: Chrome Dravite Search for Handbook of Mineralogy: Chrome Dravite
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