Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH
mineral
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
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White Zircon
Zircon (Zirconium silicate, ZrSiO4)
mineral
Amazonite
K(AlSi3O8) - Microcline variant
mineral
Amazonite
Potassium aluminum silicate (Microcline); KAlSi3O8
mineral
Amazonite
Microcline (KAlSi3O8) with Trace Lead
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Faceted Peach Morganite (Beryl)
Morganite (Be3Al2Si6O18 with trace Manganese)
mineral
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Amazonite
Microcline (Amazonstone), K(AlSi3O8)
mineral
Beryl (likely Aquamarine or Green Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Moonstone (Orthoclase Feldspar)
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)
mineral
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Diorite
Phaneritic plutonic rock (dominated by plagioclase feldspar and hornblende)
igneous
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Gneiss (Cobble)
Gneiss
metamorphic
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Clear Quartz (Tumbled)
Quartz (Silicon Dioxide - SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Blue Zircon
Zirconium Silicate (ZrSiO4)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (Rough Specimen)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz with Tourmaline and Iron Staining
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Molybdenite in Quartz
Molybdenite (MoS2) with Quartz (SiO2)
mineral
Granitic Pegmatite (Muscovite and Quartz)
Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)
igneous
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Mixed Quartz and River Pebbles (Stone Collection)
Mixed assortment containing mainly Silicon Dioxide (SiO2)
igneous, sedimentary, metamorphic, and mineral