Large Book of Platy Annite-Phlogopite Series Biotite Mica Crystals on Cleavelandite Albite from Rampart Range, on sale Douglas Co., Colorado

Large Book of Platy Annite-Phlogopite Series Biotite Mica Crystals on Cleavelandite Albite - Features a Well-Formed Pseudohexagonal Shape with Foliated ‘Sheets' of Iron Rich Mica - This Specimen is from Rampart Range, Douglas Co., Colorado - This Piece Has Two Repairs and Has Been Stabilized on sale