Fancy Montana Sapphires are found in three major areas in the western half of the state: Missouri River near Helena, Rock Creek in the Sapphire Mountains, and Dry Cottonwood near Deer Lodge. These sapphires vary greatly from the Yogo Sapphire in that most of the sapphires require heat treating.
Are Montana sapphires valuable?
To be specific, the majority is under 1/2ct and a very limited supply of the sapphires are over 1ct, which makes the stone substantially more expensive per carat. 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.
Are Montana sapphires real sapphires?
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.
Why are Montana sapphires so expensive?
The rough stones tend to be small and flat, so less than 10% of cut pieces end up being more than one carat in size. Because of this, the price of Yogos increases sharply after 0.5 carats. Anything in the neighborhood of 1 carat or above will be very expensive.
Where are Montana sapphires mined?
Montana is rich in two types of sapphires: the Yogo sapphires mined from bedrock (see Glossary) in central Montana, and the sapphires found primarily in three alluvial districts: Rock Creek (Gem Mountain), Missouri River (near Helena), and Dry Cottonwood Creek.
How much is a 1 carat sapphire worth?
Sapphires can come as cheap as $25 per carat, to over $11,000 per carat. A blue sapphire around 1 carat is likely to cost from as little as $450 to $1,600, depending on quality.
How much 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.
How rare are Montana sapphires?
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. It is uncommon to see a fine quality faceted Montana sapphire weighing over 2 carats, gems over 3 carats are extremely rare.
Why does Montana have a sapphire?
Montana is known as the Treasure State because it is rich in many mineral and gemstone sources, including two types of sapphires: the Yogo Sapphire from the central area of the state, and Fancy Montana Sapphires found mostly in the western half of the state.
What makes Montana sapphires different?
One of the most striking differences between Montana Sapphires and Sapphires from other areas of the world 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 bathwater green or a sky blue-grey.
Are Montana sapphires strong?
Montana Sapphire Care
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. Avoid harsh detergents when cleaning your stone.
Are all Montana sapphires heat treated?
The majority of my Montana sapphires are unheated, as I strongly prefer to cut and sell a completely natural gemstone. That said, I do have some stones heated. The work required to mine each sapphire is significant, and they are rare gems, even when they require heat to reach their full potential.
Can you heat treat sapphires at home?
The easiest way to improve clarity and color of low-grade sapphires is to mimic the natural process and apply heat via an oven or furnace. Heating a sapphire at high temperatures specifically dissolves inclusions known as “silk” and other impurities, making the gemstone more valuable.
Where is the best place to find Sapphire?
Sapphire Value, Price, and Jewelry Information
- Hiddenite, North Carolina.
- Murfreesboro, Arkansas.
- Spruce Pine, North Carolina.
- Franklin, North Carolina.
- Philipsburg, Montana.
- Amelia, Virginia.
- Virgin Valley, Nevada.
- Denio, Nevada.
Where are most sapphires found?
Sapphires can be found all over the world, but the majority of the finest blue sapphires are mined in Sri Lanka. Since 2016, Madagascar has also been a prominent location for sapphire mining, and other popular locations include Montana, Australia, and Tanzania.
Who found the first sapphires?
Sapphires were first found in Montana in 1865 by early gold prospectors mining the Missouri river near Helena. These sapphires were the first sapphires found in the United States that were of gem-quality.