Labradorite
Feldspar (Plagioclase Series), (Ca,Na)(Al,Si)4O8
mineral
Category
Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with inclusions
mineral
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities
sedimentary
Sandstone Beach Pebble
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide coating)
sedimentary
Red Jasper (Opaque Chalcedony)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Rhodonite
Manganese Inosilicate (MnSiO3), often with Ca, Fe, Mg, Zn
Mineral
Amygdaloidal Basalt
Basalt with secondary amygdule minerals (likely Epidote or Chlorite)
igneous
Orbicular Granite
Orbicular Granidiorite / Plutonic Igneous Rock
igneous
Peridot (Olivine)
Olivine ((Mg,Fe)2SiO4)
Mineral
Phyllite
Phyllite
metamorphic
Diorite (Salt and Pepper Rock)
Diorite
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Granite (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase Feldspar)
igneous
Granitic Pegmatite with Schorl
Granitic Pegmatite (Schorl: NaFe3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Native Copper in Basalt
Cuprum (with Host Basalt)
igneous
Granite
Phaneritic Plutonic Rock (High Silica content)
igneous
Raw Emerald
Beryl (Be3Al2(SiO3)6) with Cr/V impurities
mineral
Marble (White)
Metamorphosed Limestone (mainly CaCO3)
metamorphic
Rose Quartz
Rose Quartz (SiO2)
Mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Unakite
Epidotized Granite
metamorphic
Granite Pebble (Weathered)
Phaneritic Felsic Igneous Rock
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Igneous Rock)
igneous
Diorite (Salt and Pepper Rock)
Diorite
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Diorite (Salt and Pepper Rock)
Phaneritic plutonic igneous rock (sodium-rich plagioclase feldspar and hornblende)
igneous
Granite (Pink/Red Orthoclase variety)
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
igneous
Ferruginous Quartz
Silicon Dioxide with Hematite/Limonite inclusions (SiO2 + Fe2O3)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
mineral
Limonite (Iron Ore)
Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)
mineral
Granitic Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)
Igneous
Granitic Pegmatite with Biotite
Pegmatitic Granite (contains KAlSi3O8, SiO2, K(Mg,Fe)3AlSi3O10(OH)2)
igneous
Turquoise
Turquoise (Hydrated copper aluminum phosphate, CuAl6(PO4)4(OH)8·4H2O)
Mineral
Common Opal in Host Rock
Hydrated Silica (SiO2·nH2O)
mineraloid
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Rough Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
Chalcedony (Agate/Blue Quartzite)
Silicon Dioxide (SiO2)
mineral