AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Tanzania > Spinel (blue twinned crystals)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Spinel (blue twinned crystals) from Mahenge, Morogoro Region, Tanzania

 
Spinel (blue twinned crystals) from Mahenge, Morogoro Region, Tanzania

Spinel (blue twinned crystals) from Mahenge, Morogoro Region, Tanzania

Spinel (blue twinned crystals) from Mahenge, Morogoro Region, Tanzania

Spinel (blue twinned crystals) from Mahenge, Morogoro Region, Tanzania

DESCRIPTION:No. 81221
Mineral:Spinel (blue twinned crystals)
Locality:Mahenge, Morogoro Region, Tanzania
Description:Lustrous translucent spinel crystals with unusual blue color. Normally spinel crystals are pink, and occasionally purple, but rarely blue. The spinel crystals are Spinel-law twinned, octahedral form, with remnants of white marble on one side. Weight: 29.42 carats
Overall Size:20x20x14 mm
Crystals:7-17 mm
Archived: For reference only

 

 

 

 

 

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