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Color - Swiss Blue
It is also a stone that will vary from stone-to-stone with different patterns
This is a rare and untreated gem grade Cobalt Calcite where many pieces are solid with druzy and completely opaque
500cts and will go great with most styles or occasions and match many of our earrings as well
150cts and has a very nice shade that will go with any style of dress or occasion
Sphalerite Gemstone; Natural Untreated Spanish Sphalerite, 5.370cts Obsidian_Necklace Color - Swiss BlueStone Type Sphalerite Color Multicolor (Yellow, Orange and Red) Weight 5. 370cts Shape Oval Size 12. 3x8. 2mm Treatment Untreated Origin Spain Pieces QTY 1 This a natural and untreated Spanish Sphalerite that is considered a collectors gem due to the extreme rarity and double refractive qualities that make it more brilliant then a Diamond! It does have some minor inclusions and it is very common but also very rare to have minimal inclusions.