Search Results for: Personal scale
space group c /m identification color brown, brownish red, dark brown, yellow, yellowish brown, green, white and gray crystal habit tabular, scaly masses, rarely perfect phenocryst tablets twinning composition twinning cleavage perfect basal ( ) fracture none tenacity tough, flexible thin laminae mohs scale
groundmass mineral, or in association with pargasite amphibole, olivine, and pyroxene. phlogopite in this association is a primary igneous mineral present because of the depth of melting and high vapor pressures. phlogopite bearing peridotite from finero, italy. coin of swiss franc (diameter mm ) for scale...
https://en.wikipedia.org/wiki/Phlogopite