Pegmatitic pink feldspar–quartz rock
Granitic pegmatite; chiefly microcline/orthoclase feldspar (KAlSi₃O₈), quartz (SiO₂), and minor mica
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Pegmatitic pink feldspar–quartz rock
Granitic pegmatite; chiefly microcline/orthoclase feldspar (KAlSi₃O₈), quartz (SiO₂), and minor mica
Agate (or Chalcedony)
Silicon Dioxide (SiO2)
Amazonite
K(AlSi3O8)
Citrine Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Quartz Pebbles)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Polished jasper (likely brecciated or scenic jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions
Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sunstone (Feldspar)
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Quartz (Milky / Clear Quartz Fragment)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Yellow/Orange variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8)
Jasper (Multi-color Chert)
Silicon Dioxide (SiO2) with impurities
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst
Quartz (Silicon Dioxide, SiO2)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Quartz
Silicon Dioxide (SiO2)