Quick Answer: 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.

Where are Yogo sapphires found?

Yogo Sapphires are the most precious sapphires found in North America. They are considered to be among the finest sapphires in the world. These unique gems come from only limited area, named Yogo Gulch, located in the Little Belt Mountains of Montana.

Where is the primary source of Yogo sapphires found in America?

These unique gems come from only a small place, named Yogo Gulch, located in the Little Belt Mountains of Montana. They were first found accidentally by gold prospectors in the 1880s, and eventually became the primary focus of mining in the area. Today, they are only commercially mined deep underground.

Are Montana sapphires from Montana?

A Montana sapphire is, simply, a sapphire from Montana. Yogo sapphires are also Montana sapphires, but originate from a particular deposit known for its excellent cornflower blue color. Both sapphires and rubies are gem-quality corundum. Rubies are the red variety, while all other colors are sapphires.

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What kind of rock are Yogo sapphires found in?

The location of most Yogo sapphires within igneous rock rather than from alluvial placer deposits requires difficult hard rock mining. Coupled with American labor costs, this makes their extraction fairly expensive. At least 28,000,000 carats (5,600 kg) are estimated to still be in the ground.

What are Yogo sapphires worth?

Because of their fine quality, the price differential between Yogo and other fancy Montana sapphires can be significant. Baide said that other Montana sapphires can average about $1,000 per carat, compared with somewhere around $10,000 per carat for a Yogo sapphire.

Where is Yogo Gulch in Montana?

YOGO SAPPHIRE GULCH, Mont. – Located about 50 miles west of Lewistown lies the Yogo Sapphire Gulch where at least a billion dollars worth of Yogo sapphires is hidden in the rocks.

What gems are found in Montana?

These include: jasper, garnet, varieties of quartz, rhodonite, serpentine, staurolite, topaz, tourmaline, and wonderstone. A few diamonds, diamond indicator minerals, and kimberlites have been found in the state.

Are Montana Sapphire Rare?

Are Montana Sapphires Rare? Montana sapphire is not found in very large rough pieces. Considering that a rough nugget will yield a cut stone only about 1/3 of the original size means that large, fine quality faceted Montana sapphires are very rare.

Why are Yogo sapphires so expensive?

The term ‘Yogo’ refers to the Yogo Gulch in the Little Belt Mountains, east of Great Falls. … While it is estimated that 5.6 tons (or 28 million carats) of Yogo Sapphires are still in the ground, the excavation of them is costly and difficult, which keeps their scarcity and relative price high.

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What is special about Montana sapphire?

One of the most striking differences is their color. Sapphires from Montana are unique in that they naturally occur in light pastels, unique blue-greens, and smoky grays. So, a Montana sapphire could be a calming leaf green or a sky blue-grey.

Why are Montana sapphires special?

Strict guidelines for mining in the states means that Montana sapphires have much less of an impact on the Earth than stones from nearly anywhere else. Mostly found in the western half of the state, these gorgeous gems are famous for their rich and unusual colors.

What is teal Montana sapphire?

Color. Teal Montana Sapphire: This captivating jewel is a type of ‘fancy sapphire’ and can be found in different shades ranging from medium blue to green. Currently, the rarest and most desired ones are those with an equal mix of blue and green.

Can you find diamonds in Montana?

Though rare, diamonds aren’t unheard of in Montana. Prospectors have plucked the gems from stream beds and glacial valleys for years – most notably the 14-carat Lewis and Clark diamond found at the base of a steep slope near Craig in 1990.

Are Montana sapphires good?

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.

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).

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