AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Tanzania > Corundum var. Ruby pseudomorphs after Spinel

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

   

Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

 
Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Photo below under shortwave ultraviolet illumination:
Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

Photo below under longwave ultraviolet illumination:
Corundum var. Ruby pseudomorphs after Spinel from Mahenge, Morogoro Region, Tanzania

DESCRIPTION:No. 81256
Mineral:Corundum var. Ruby pseudomorphs after Spinel
Locality:Mahenge, Morogoro Region, Tanzania
Description:Cluster of many interconnected lustrous translucent vivid-pink ruby, the pink gem variety of corundum, pseudomorphs after octahedral spinel crystals to 26 mm. The spinel formed first, then altered to ruby corundum, maintaining the original spinel shape. fluoresces under LW-SW UV illumination. Ex. Cal Graeber
Overall Size:6.5x4.5x4 cm
Crystals:5-26 mm pseudos
Archived: For reference only

 

 

 

 

 

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