Pictures of obsidian rocks

Face surface texture of natural magnetite iron ore, Limpopo, South Africa. Black obsidian crystal wand. Natural rock specimen - raw crystal of black obsidian gemstone.

Black obsidian isolated on white background. This pile of large chunks of obsidian is part of the obsidian flow at the Newberry Caldera in central Oregon. Shiny obsidian shot from three points of view isolated on white background. Black obsidian crystal wand. Natural rock specimen - raw crystal of black obsidian gemstone. Many pieces of crystal of natural stone black tourmaline.

Pictures of obsidian rocks

Best match. Most popular. RF and RM. Rock mineral macro photo with white background. Obsidian lave field, Landmannalaugar, Iceland. Obsidian, volcanic glass, Landmannalaugar region, Fjallabak, Iceland, Europe. Bands of Obsidian Volcanic Glass. Mahagony Obsidian. Black background. Obsidian rock at Landmannalaugar, Central Iceland. Close-up of obsidian. Antique Mexican tiki obsidian figurine. Obsidian beads bracelet. Obsibian cliffs in winter. Singled Out: one odd black obsidian stone.

Obsidian rock in a matrix. Collection of multicolored minerals and crystals.

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Obsidian is a natural volcanic glass : it is a kind of igneous rock. It is produced when lava high in silica SiO 2 cools rapidly, and solidifies quickly. They were used as arrowheads , and today they may be used as surgical scalpel blades. Obsidian is mineral -like, but not crystalline. It is dark in color like basalt. Obsidian does not last forever. It is metastable : it changes very slowly. Over time, the glass becomes fine-grained crystals. So, no unaltered obsidian is older than Cretaceous age.

Pictures of obsidian rocks

Obsidian comes in a staggering range of colors and shapes, it can be hard to keep up! Want to learn some more? The following are different varieties of the mineral with no attention to form. There are certainly more varieties out there, but this will cover the vast majority of real obsidian on the market. Black obsidian, or just obsidian, is a volcanic glass. When struck at the right angle, the material exhibits a wave-like effect that separates a flake in a round pattern from the point of impact. Black obsidian is readily available, and enormous deposits of it are spread across the Western portions of the United States. Rainbow obsidian is a variety that exhibits a rainbow pattern in concentric rings when the light hits the surface just right.

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Natural glass. Minerals and crystals - Many different kinds. Rock mineral macro photo with white background. Obsidian knife with Antler handle. Obsidian mirrors are an apt metaphor for images of ancient Mexican sites and objects: they reflect the viewer as well as the object. Hand made spearhead modern. Many pieces of crystal of natural stone black tourmaline. Natural rock specimen - raw crystal of black obsidian gemstone. Many Beautiful Crystal Specimans. Antique Mexican tiki obsidian figurine. Ball of natural black obsidian in hand.

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Mahagony ObsidianSee more crystal and gemstone images:. Volcano lava. Forgotten your password? Detail photo of obsidian point found at Kennedy Meadows in the Sequoia National Forest where last su. Volcanic Lava from Stromboli volcano. Black obsidian isolated on white background. Sharpest rock, close up macro. Black marble abstract swirly liquid background. Mineral and gemstone collection on white. Perlite icon , vector illustration. Mahagony Obsidian. Obsidian rocks on Laugar-loop trail in Landmannalaugar, Iceland,