Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
Learn about Igneous And Mineral in the encyclopedia
View all →
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Anyolite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))
metamorphic
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8)
mineral
Quartz (Milky/Tan)
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz with Mica inclusions (Pegmatite)
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
igneous
Granite
Granite
Igneous
Dalmation Jasper
Perthitic Feldspar with Arfvedsonite inclusions
igneous
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Granite
Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)
igneous
Granite
Phaneritic Felsic Igneous Rock (Main minerals: SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
mineral
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz in Matrix
Silicon Dioxide (SiO2)
mineral
Smoky Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Rough Citrine Quartz
Citrine (Silicon Dioxide, SiO2 with iron impurities)
mineral
Amethyst
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (SiO2)
Mineral
Granite
Intrusive igneous felsic rock
igneous
Granodiorite
Granodiorite (intermediate plutonic rock)
igneous
Olivine (Peridot)
Olivine Group (Mg,Fe)2SiO4
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Pyrite (FeS₂)
Mineral
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Gneiss
metamorphic
Diorite
Diorite
igneous
Granodiorite (or Granite) Pebble
Phaneritic Felsic Igneous Pebble
igneous
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral