4.3 ctw Matched Pair Natural Black Spinel 8 mm Trillion Faceted Gemstones Lapis Lazuli handmade brutalist frame of solid

handmade brutalist frame of solid Sterling Silver

42 grams and is in excellent condition

6 mm chain and weighs approximately 1

This unique formation occurred when ancient trees were buried near a copper deposit

4.3 ctw Matched Pair Natural Black Spinel 8 mm Trillion Faceted Gemstones Lapis Lazuli handmade brutalist frame of solidBeautiful matched pair of 8 mm trillion faceted Natural Black Spinel, 4. 3 carat total weight. New and ships in a gem container. Black Spinel is a striking and often underestimated gemstone, prized for its deep, inky color and exceptional brilliance. Composed of magnesium aluminum oxide, it forms as an isometric crystal, typically found in octahedral or dodecahedral habits. Its Mohs hardness of 8 makes it a durable choice for all types of jewelry,