Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Category
Organic Gemstone (Not A Rock Or Mineral In The Traditional Sense, But Bio Mineralized Material)
Browse organic gemstone (not a rock or mineral in the traditional sense, but bio mineralized material) specimens identified by the Rock Identifier community.
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
mineral
Diamond
C (Carbon)
mineral
Green Tourmaline
Elbaite (part of Tourmaline group), Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
mineral
Diamond
Diamond (C)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Calcareous Tufa / Limestone Fragment
Calcium Carbonate (CaCO3)
sedimentary
Diamond
Diamond (C)
mineral
Amazonite
Microcline (KAlSi3O8 with lead impurities)
mineral
Cat's Eye Chrysoberyl
Chrysoberyl (BeAl2O4)
mineral
Siltstone Pebble
Siltstone (composed of microscopic quartz and clay minerals)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Small Grains)
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Diamond (Faceted)
Carbon (C)
mineral
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Blue Chalcedony
Chalcedony (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Prehnite
Prehnite, Ca2Al2Si3O10(OH)2
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (variety of Feldspar), K(AlSi3O8)
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Conglomerate
Conglomerative Rudite (SiO2/CaCO3 matrix)
sedimentary
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
mineral
Chert (specifically Tan Chert)
Chert (SiO2)
sedimentary