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Petrography

Petrography

13 items

Outcrop of Calcite/Gypsum Full-growth Crystals — Outcrop of Calcite/Gypsum Full-growth Crystals Metwally Hamza

Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture). — Example of meta-gabbro/amphibolite enclaves in a granite vein (possible pegmatite texture). Sophie Graul

The Embrace (of Ocean Jasper) — The Embrace (of Ocean Jasper) Bernardo Cesare

Karlsbader Sprudelstein — Karlsbader Sprudelstein Bernardo Cesare

G2-granite hand sample taken from its incubating mountain — G2-granite hand sample taken from its incubating mountain Metwally Hamza

A specimen shows manganese dendrites — A specimen shows manganese dendrites Metwally Hamza

A thin section in pumice extrusive/volcanic igneous rock — A thin section in pumice extrusive/volcanic igneous rock Metwally Hamza

A thin section contains a wide variety of mineral grains — A thin section contains a wide variety of mineral grains Metwally Hamza

The Grid: A serpentine pseudomorph after carbonate — The Grid: A serpentine pseudomorph after carbonate Kristina G Dunkel

Devitrification of Obsidian — Devitrification of Obsidian Joel Gill

micROCKScopica - Ocean Jasper — micROCKScopica - Ocean Jasper Bernardo Cesare

micROCKScopica - Graphite-bearing Granulite — micROCKScopica - Graphite-bearing Granulite Bernardo Cesare

micROCKScopica - Symplectite in Granulite — micROCKScopica - Symplectite in Granulite Bernardo Cesare

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