Tool for Microscopic Identification Home

 

Show UniqueIdentification

Id 53
Identification Type Mineral
Name Orthoclase
Distinguishing Features no-lamellar-twinning
contact-twinning
Description Colorless to pale yellow, nonpleochroic, low birefringence, commonly elongate when euhedral, moderate to high relief, contact twinning is virtually diagnostic (only one twin plane in a single crystal).

See also feldspar.
Tags feldspar
silicate
External Resources Orthoclase on MinDat
Imposters
Images