Microcline
Microcline is a silicate mineral prized by collectors for its exceptional color range, with notable Chinese occurrences.
About Microcline
Microcline is classified as a silicate mineral in the feldspar group and has the chemical formula KAlSi₃O₈. It crystallizes in the triclinic system and is one of the most visually varied minerals in the collector market.
Identification & care
Specimens usually show prismatic to tabular crystals, often twinned; massive. Its color range is broad, including white, pink, gray, pale yellow, and green (amazonite variety). The luster is vitreous to pearly, the streak is white, and specimens range from transparent to opaque. The cleavage is perfect on {001} and {010} at near-right angles. The fracture is conchoidal, which aids identification.
Collector context
Collector notes
Microcline holds a steady place in systematic mineral collections. Documented Chinese occurrences are recorded at Dachang ore field and Yaogangxian W-Sn ore field, among others.