Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz / Quartzite Pebble
Silicon Dioxide (SiO2)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Sandstone
Arenite (SiO2 primarily)
Green Fluorite
Calcium Fluoride (CaF2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone
Arenite (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Sandstone (Red Sandstone / River Stone)
Arenite (composed primarily of Quartz, SiO2, with Iron Oxide cementation)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Clastic Sedimentary Rock (composed of SiO2 grains)
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Black Chert
Chert (microcrystalline quartz)