Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous and mineral specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Amygdaloidal Basalt with Epidote/Chlorite
Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Biotite Mica
K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Basalt
Mafic Igneous Rock
Fluorite
Calcium fluoride (CaF2)
Moonstone (Orthoclase Feldspar)
(K,Na)AlSi3O8
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)
Blue Calcite
Calcium Carbonate (CaCO3)
Fluorite
Fluoride (Calcium Fluoride - CaF2)
Agate (Fortification Agate)
Banded Chalcedony (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz Geode
Silicon Dioxide (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Olivine (Peridot)
Olivine (Mg, Fe)2SiO4
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions of dumortierite)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
Fluorite
Calcium Fluoride (CaF2)
Diorite (River Rock/Cobble)
Intermediate Plutonic Igneous Rock (Diorite)
Diorite
Phaneritic intermediate plutonic rock
Rhodochrosite
Manganese carbonate (MnCO3)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)