|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Tanzania > Dravite Tourmaline
|Mwajanga, southeast of Mirerani, Simanjiro District, Manyara, Tanzania
|Lustrous transparent dark red-brown dravite tourmaline crystal with unusual green-gray chatoyant upper half caused by microscopic parallel tubes etched down the C-axis of the dravite crystal. The lower half shows good transparency when rear illuminated. Weight: 1.2 grams
|For reference only
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