General formula:

KAlSi3O8

N° standard / mount: 09 / MAC
Standard elements: Al K Si
Mineral class: Silicates
Group: Feldspars
Locality: Gothic County, Colorado, USA
Comments:

This Mineral may contain some Darker and Lighter Phases that will be visible in BSE. These Phases should be avoided during analysis.

Analysis:
Orthoclase Analysis
Orthoclase