Moonstone (Orthoclase Feldspar)
(K,Na)AlSi3O8
mineral
Category
Igneous (Anthropogenic)
Browse igneous (anthropogenic) specimens identified by the Rock Identifier community.
Citrine
Silicon dioxide (SiO2)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Citrine
Silicon dioxide (SiO2)
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
Calcite
Calcium Carbonate (CaCO3)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
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
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Carnelian
SiO2 (Silicon Dioxide) - Carnelian variety of Chalcedony
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Olivine (Peridot)
Olivine (Mg, Fe)2SiO4
mineral
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2)
mineral
Granite Sand (Decomposed Granite)
Grus / Quartz-Feldspar Detritus
sedimentary
Amazonite
Amazonite (KAlSi3O8)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions of dumortierite)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral