Identification of Minerals

December 22, 2019

Identification of Minerals

Identification of Minerals Luster Cleavage Color Name Properties Metallic Luster Cleavage present Galena Shiny, silver-­‐gray; excellent cubic cleavage No Cleavage Graphite Shiny, silver-­‐gray; no form Pyrite Brassy-­‐yellow; often as a collection of cubic crystals Plagioclase Light gray-­‐white color; two planes of cleavage at 90° Microcline (Orthoclase) Peachy-­‐pink color; two planes […]