AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal)

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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. Sapphire (4.04 carat bi-colored hexagonal crystal) from Missouri River gravel bar, Lewis and Clark County, Montana

 
Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal) from Missouri River gravel bar, Lewis and Clark County, Montana

Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal) from Missouri River gravel bar, Lewis and Clark County, Montana

Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal) from Missouri River gravel bar, Lewis and Clark County, Montana

Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal) from Missouri River gravel bar, Lewis and Clark County, Montana

DESCRIPTION:No. 74036
Mineral:Corundum var. Sapphire (4.04 carat bi-colored hexagonal crystal)
Locality:Missouri River gravel bar, Lewis and Clark County, Montana
Description:Gem-grade bi-colored sapphire crystal with flattened hexagonal form. The sapphire crystal green with an orange center zone. The outer faces of the sapphire have textured faces that show minor alluvial wear when viewed under magnification. Ex. John Kean collection; collected ca. 1950
Overall Size:8x7x5 mm
Crystals:8 mm
Archived: For reference only

 

 

 

 

 

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