Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
Category
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
Magnetite
Magnetite (Fe3O4)
Magnetite (Lodestone)
Magnetite (Fe3O4)
Quartz
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Iron(II,III) oxide (Fe3O4)
Pyrite
Iron Sulfide (FeS2)
Orange Calcite
Calcium Carbonate (CaCO3)
Green Opal
Hydrated Silica (SiO2·nH2O)
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Boulder
Silicon Dioxide (SiO2)
Mica (Muscovite or Biotite)
Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Common Opal
Hydrated amorphous silica (SiO2·nH2O)
Quartz Crystal
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Agate
Silicon Dioxide (Chalcedony), SiO2
Quartz with Matrix
Silicon Dioxide (SiO2)
Quartz Crystal Cluster / Quartzite
Silicon Dioxide (SiO2)
Tumbled Quartz
Silicon Dioxide (SiO2)
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
Tumbled Agate
Silicon Dioxide (Chalcedony variety), SiO2
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
Clear Quartz (Cut/Faceted Gemstone)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz / Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
SiO2 (Silicon Dioxide)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)