Chrome tourmaline, like the crystal on this quartz matrix, gets its intense green color from the presence of chromium. This crystal weighs 66.65 cts. Merelani Hills, Arusha, Tanzania. © Rob Lavinsky, www.iRocks.com. Used with permission.

Tourmaline - Natural, Specimen, Green - International Gem Society

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Tourmaline – Natural, Specimen, Green

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Tourmaline

Chrome-Tourmaline

Chrome tourmaline, like the <a href="https://www.irocks.com/minerals/specimen/4331" data-wpel-link="external" rel="nofollow external">crystal on this quartz matrix</a>, gets its intense green color from the presence of chromium. This crystal weighs 66.65 cts. Merelani Hills, Arusha, Tanzania. © Rob Lavinsky, <a href="https://www.irocks.com" data-wpel-link="external" rel="nofollow external">www.iRocks.com</a>. Used with permission.

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Gemstone	Tourmaline, Chrome-Tourmaline
Natural or man made	Natural
Gem State	Specimen
Color	Green
Transparency	Transparent