When were Montana sapphires discovered?

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How old are Montana sapphires?

Montana sapphires

The first sapphires found in the United States were discovered on May 5, 1865, along the Missouri River, about 14 miles (23 km) east of Helena, in Lewis and Clark County, by Ed “Sapphire” Collins.

Do Montana sapphires have value?

Typical Montana sapphire can cost anywhere from $250-$1500 per carat for under 1/2ct to upwards of $7000 per carat for larger than 5 carats. Price is dependent on the quality of the gemstone (ie color, clarity, cut, and carat).

Why are Montana sapphires special?

A durable stone with excellent toughness, it also ranks nine on the Mohs scale of hardness. Montana sapphire is not likely to scratch or chip, making it a great choice for daily wear. High heat could damage the stone’s color or clarity.

What makes Montana sapphires different?

Some Montana sapphires from the Missouri River deposit undergo color change. Color change in these sapphires results from the trace element vanadium. Often, they appear blue in daylight and violet to purple in incandescent light. Pale colors shift from sky blue to lavender.

Are Montana sapphires good quality?

Unique colors, high clarity, USA-born status, and great durability make Montana Sapphires shine. Montana Sapphires are part of the larger gem family “corundum.” Corundum is a hard stone, at a 9 out of 10 on the Mohs scale, making it very durable to wear in jewelry.

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What jewelry is Montana known for?

Perhaps one of the most popular and well known American Gemstones is Montana Sapphire. This is for good reason, too – Montana, known as the “Treasure State,” produces nearly all of the sapphire mined in North America.

Are Yogo sapphires only found in Montana?

Yogo Sapphires are the only sapphires in Montana still being mined from the primary deposit. Yogo sapphire are typically cornflower blue, a result of small amounts of iron and titanium. They have high uniform clarity and maintain their brilliance under artificial light.