Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load.
These mineral photos are copyrighted by their owners and may not be used without permission.
Albite: NaAlSi3O8 Plagioclase: (Na,Ca)(Si,Al)4O8
Comments: Colorless, lustrous blocky albite crystals to 3 cm in size with a thick dusting of micaceous green micro chlorite.
Location: Acushnet Quarry, Bristol Co., Massachussetts, USA.
Scale: 17 x 15 x 7.5 cm matrix.
© Dan Weinrich
Comments: Crystal group of bladed albite (variety cleavelandite) crystals.
Location: Taquaral, Minas Gerais, Brazil.
Scale: 7.4 x 5 cm.
© John Veevaert
Albite: NaAlSi3O8 Schorl: NaFe++3Al6(BO3)3Si6O18(OH)4
Comments: Several jet-black lustrous crystals of schorl perched on a white albite matrix.
Location: Shengus, Gilgit, Pakistan.
Scale: 4 x 3 x 2 cm.
© Isaias Casanova / IC Minerals