Citrine
Silicon dioxide (SiO2)
mineral
Category
Mixed (Predominantly Sedimentary And Igneous)
Browse mixed (predominantly sedimentary and igneous) specimens identified by the Rock Identifier community.
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Moonstone (Orthoclase Feldspar)
(K,Na)AlSi3O8
mineral
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Agate (Fortification Agate)
Banded Chalcedony (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Peridot
Olivine (Mg, Fe)2SiO4
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions of dumortierite)
mineral
Olivine (Peridot)
Olivine (Mg, Fe)2SiO4
mineral
Carnelian
SiO2 (Silicon Dioxide) - Carnelian variety of Chalcedony
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Schiller Spar)
(Na,Ca)(Al,Si)4O8
mineral
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
mineral
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Ruby in Matrix
Corundum (Al2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral