"WardsSci000478"

Survey set improves student's recognition of all three major rock groups.

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

Sale

Ward's® highest quality and purest mineral offerings.

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

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

Sale

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.

Sale

Brazil.