Protogenic silica minerals crystallizing inside obsidian are white and resemble snowflakes on the surface of the rock.If your Obsidian has several needle-like inclusions, lending it a silvery sheen, you can be assured that it is real.These bubbles can be seen arranged in parallel arrangements under a microscope. Real Obsidian typically occurs with elongated, torpedo-shaped, round, or teardrop-shaped bubbles.Inclusions in a real Obsidian are easily detectable by holding out the rock in your palm and moving it around. Inclusions refer to any minerals that get trapped inside a mineral as it forms.Ī naturally occurring Obsidian always forms in the presence of a bounty of minerals in the earth’s surface and will therefore always have certain traces of other minerals. If you are fortunate enough to find more than one color in your Obsidian, you likely have your hands on a rather high-quality piece.Īnother frequently searched question is Black Obsidian vs Black Tourmaline, to know click here.You can wet the piece and turn it slowly in all directions so the sunshine will reflect the coloring underneath its black glassy surface.While buying an Obsidian, be sure to hold your piece under the sun and try to locate a spot that shows something more than just black.Real Obsidian, as you can see, especially the stones that are carved, are never perfectly black. A real Obsidian will always have some gold, silver, blue, violet, green, or a combination of these colors, under its black surface, due to the inclusions of minute bubbles that reflect light.This is hard to communicate through pictures, but no naturally occurring Obsidian ever looks like a hard mass of plain black glass.
Real Obsidians exhibit some or the other form of iridescence.So if you are being sold such a rock at a modest price, it is most likely a fake. Tinted, man-made glass is often marketed as these rare Obsidians. The most rarely occurring types of Obsidian are those with an overwhelming amount of green, blue or red in them. Obsidian typically occurs in black, gray, and sometimes banded formations with brown streaks.
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