Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Category
Mineral With Metamorphic Or Igneous Host
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
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Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Boulder Opal
Amorphous Hydrous Silica (SiO2·nH2O)
mineral
Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
mineral
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Chrysocolla (in Host Rock)
Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
mineral
Chalcedony with Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Greenstone
Protolith: Basaltic rock
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Moonstone
Adularia / Orthoclase (KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Malachite or Chrysocolla on Host Rock
Cu2(CO3)(OH)2 (Malachite) or (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla)
mineral
Muscovite Mica (in Quartz matrix)
Potassium aluminum silicate hydroxide fluoride (KAl2(AlSi3O10)(F,OH)2)
mineral
Garnet and Quartz
Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Gneiss
Foliated Metamorphic Rock
metamorphic
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Greenstone / Epidosite
Epidosite (primary minerals: Epidote and Quartz)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz Geode Fragment
Silicon Dioxide (SiO2) in a Sedimentary Host
mineral
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
sedimentary
Quartz Geode / Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Specifically Clear to Smoky Quartz point)
Silicon Dioxide (SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Beryl (Aquamarine) in Matrix
Beryllium aluminum silicate (Be3Al2(SiO3)6)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Greenstone
Greenschist
metamorphic
Banded Agate (Agate Slice)
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Banded Agate (Crazy Lace/Mexican Agate Variety)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide - SiO2) with trace amounts of titanium, iron, or manganese
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
mineral
Granite Gneiss
Gneiss (high-grade metamorphic rock)
metamorphic
Garden Quartz (Lodalite)
Silicon Dioxide (SiO2) with various inclusions
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral