ABBREVIATIONS, SIGNS, AND SYMBOLS
pubs.usgs.gov › unnumbered › 7000088Mineral names are not ordinarily abbreviated in narrative text, but abbreviations may be appropriate on certain maps, in tables, or as symbols, subscripts, or superscripts. Symbols for common minerals are given in table 3. NAMES AND TITLES In the names of business firms, the abbreviated forms "Bros.," "Co.," "Corp.," "Inc.," "Ltd.," and
Mineral ID chart - The Happy Scientist
thehappyscientist.com › files › downloadsOther Properties Mineral White 1-Cleavage Earthy or pearly luster. Soapy feel. Scratched Talc by fingernail Scratched by penny Yellow Brown Earthy Fracture Earthy luster, yellow to almost black. Technically not a mineral, as it lacks a crystalline structure. Limonite Uses Baby powder, paints, ceramics Iron ore White 1-Good Cleavage