Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Category
Browse sedimentary or igneous specimens identified by the Rock Identifier community.
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Gold Placer (Gold Flakes and Nuggets)
Native Gold (Au)
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Eudialyte
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Peridot
Olivine (Mg, Fe)2SiO4
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz on Chlorite Schist
Chlorite Schist (Mg,Fe)3(Si,Al)4O10(OH)2 with Quartz (SiO2)
Agate (Fortification Agate)
Banded Chalcedony (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
Quartz Pebble
Silicon Dioxide (SiO2)
Moonstone (Orthoclase Feldspar)
(K,Na)AlSi3O8
Citrine
Silicon dioxide (SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Rose Quartz
Rose Quartz (SiO2)
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Rose Quartz
Silicon dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Milky Quartz
Silicon Dioxide (SiO2)
Labradorite (Schiller Spar)
(Na,Ca)(Al,Si)4O8
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)