"WardsSci000478"

Ward's® Ventifact

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Ward's® Marble (Pink)

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VARVED SHALE SPECIALTY ROCK SAWN SLAB

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[NA_SciEd] Ward's® Schist (Talc Tremolite)

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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.

Dark, waxy, bitumin-rich.

Powdered bentonite clay 200 mesh, sodium saturated.

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