Hand-Book of Mineralogy: Determination, Description and Classification of Minerals Found in the United States (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Hand-Book of Mineralogy: Determination, Description and Classification of Minerals Found in the United States

A strong knife may be used for testing hardness, and, if it has a magnetized blade, may be used for a magnet.

Steel forceps; a small hammer and anvil, and a small agate mortar and pestle, for crushing and pulverizing specimens.

Cutting-pliers for obtaining small pieces of a mineral for blow-pipe or chemical assay.

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