The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 314
A. 307 The mineral closely resembles some of the feldspars, many of thespecimens being difficult to distinguish by the eye from feldspar. Thehardness and cleavage are much the same. With the blowpipe, theyare readily distinguished by the red color and the easy fusibility of theamblygonite. As it is… … ILL. No. i:^: ENTRANCE TO LEPIDOLITE MINE AT PALA, SAN DIEGO COUNTY-LEPIDOLITE AND RUBELLITE. higher percentage of lithia, and the phosphoric acid is a valuableby-product. Lepidolite, the lithia mica, commonly occurs in scaly, granular masses,sometimes in aggregates of short six-sided prisms. The…
Building stones · Portland cement · Clay · Mines and mineral resources
Internet Archive · Prelinger Library · Public Domain Mark 1.0. Free to use for anything.
