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

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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 from Mairisi Mine, Morogoro Region, Tanzania

 
Corundum var. Ruby from Mairisi Mine, Morogoro Region, Tanzania

Corundum var. Ruby from Mairisi Mine, Morogoro Region, Tanzania

Corundum var. Ruby from Mairisi Mine, Morogoro Region, Tanzania

Corundum var. Ruby from Mairisi Mine, Morogoro Region, Tanzania

Photo below under longwave ultraviolet illumination:
Corundum var. Ruby from Mairisi Mine, Morogoro Region, Tanzania

DESCRIPTION:No. 78963
Mineral:Corundum var. Ruby
Locality:Mairisi Mine, Morogoro Region, Tanzania
Description:Lustrous red transparent-to-translucent ruby crystal, the red gem variety of the mineral species corundum, with no matrix. The ruby crystal is conical hexagonal form, with highly lustrous crystal faces, with unusual reentrant faces caused by twinning. The bottom was the attachment point. Originally acquired ca. 1990; Weight: 0.6 grams. Fluoresces red under LW-UV illumination
Overall Size:8x8x7 mm
Crystals:8 mm
Archived: For reference only

 

 

 

 

 

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