countervur.blogg.se - Raw black sapphire

Spinel is most commonly found and mined in Cambodia, Burma, Sri Lanka, and Thailand.

Colour: Aside from the deep black hue, Spinel stones also occur in a range of colours, including rich reds, pinks, purples, light to dark blue tones, and amber and yellow huesīlack spinel is usually mined along with ruby and sapphire, which is why they share so many similar properties.

Chemical treatment: Not usually required although lighter coloured Spinel stones may require chemical treatment.

Clarity: Good quality spinel should have no inclusions but when inclusions occur, a star effect (asterism) can be the result.Character: Mostly found as water worn pebbles, they can also occur as octahedral crystal formations.What are the properties of black spinel stones? It’s said that the name ‘Spinel’ comes from the Latin, ‘spina’ meaning thorn – this refers to the sharp crystal formations it’s made up of. Specifically, black spinel is one of the rarest minerals that comes from the Spinel family and is a true gemstone often confused with black tourmaline. What is a black spinel stone?īlack spinel stone is a rare gemstone made up of hard vitreous magnesium aluminium oxide or magnesium aluminate. Get to know the mysterious black spinel gemstone including its properties, where it comes from, and where you can get it from in different cuts, with our complete guide to black spinel below. Black gemstones have made a resurgence in popularity, and, although you may have used deeply coloured rubies and sapphires before, you might not have come across naturally occurring black spinel gemstones. We’ve got just the thing for your latest designs.