Sapphire from Helena, Montana (El Dorado Bar)

No. 936X: Oval Cut, 1.12 carats, SI2, 7.1 x 5.5 x 3.6 mm, $184.80

Shown above is a Montana sapphire of medium blue color. El Dorado Bar, on the shores of the Missouri River, near Helena, was first mined for gold. The abundance of light blue and green sapphire crystals, found with the gold, proved to be a great bonus. El Dorado Bar is no longer producing large quantities of gem sapphire, but stones can occasionally be obtained from old mine supplies. The above gem, a
native cut stone of good size, would like great in a pendant, pin or ring.

Sapphire is commonly heated to improve both clarity and color. The above stone has been so treated.

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