"WardsSci000478"

Epidote (Single crystal), Ward's

Large, black, rounded tektite, 1 1/2". Thailand.

Choice yellow-brown, globular to botryoidal crystal groups of this lead arsenate mineral. A secondary mineral in lead deposits forming a series with pyromorphite and vanadinite. Average size: 1" x 1" to 1 1/2" x 1 1/2". Mexico.

Powdered bentonite clay 200 mesh, sodium saturated.

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Demonstrates Irregular Breakage

Brazil.

Feldspar group; blue-green, microcline, triclinic, ³/₄". Colorado.

Clear, euhedral points and sections.

Examples of the More Important Minerals Found in Rocks