1.5" 44g Fruity Gemmy Orange Sphalerite Crystal Picos de Europa Spain for sale
Most sphalerite contains iron, and the more iron that is present, the blacker and more opaque the sphalerite. Conversely, gem quality specimens have a low iron content and thus have a high degree of transparency. Colors range from red to orange, yellowish to golden brown, and green. Because it has a hardness of only 3.5 to 4 on the Mohs scale, it is it is mainly a gemstone for the rare stone collector. It is not suitable for rings, but can be used in pendants and earrings.
2.4" Semi-Transparent Red Orange Gemmy Sphalerite Crystal Group Spain for sale
The best gem sphalerite in the world came from the Aliva mine in the Picos de Europa Mountains in the Cantabria region on the north coast of Spain. The mine closed in 1989 and is now inside the boundaries of a national park. Spanish sphalerite is now quite scarce because all of the gems and gem rough on the market came from material that was mined years ago.
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