"WardsSci000478"

Gray-to-brown basaltic, with over 50% vesicles.

Vente

Polished, etched iron meteorite slice showing Widmanstatten structure, 1–1 1/2".

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Ward's® highest quality and purest mineral offerings.

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Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

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Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

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Pure, bright yellow, Frasch sulfur.

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Vente

Brazil.