SciShow Rocks Box: Montana Sapphires

SciShow Rocks Box: Montana Sapphires

Brand: SciShow Rocks
SKU: SUB-ROCKSBOX-23OCT
40.00 USD Out of stock Buy at Merchant

These sapphires, from Yogo Gulch and Missouri River or Rock Creek in Montana, belong to the corundum family and are known for their hardness and unique color due to inclusions of iron, gallium, and magnesium.

  • The Yogo Gulch sapphire deposit was discovered in 1895.
  • Some 28 million carats of sapphires are believed to remain undiscovered in Yogo Gulch.
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  • Default Title — 40.00 USD — Out of stock

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