Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst)
Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage
Category
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst)
Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage
Pegmatite with Mica
Granitic Pegmatite (containing Muscovite and Biotite)
Petrified Wood
Silicified Wood (primarily SiO2)
Quartz with Schist Inclusion
Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist
Garden Quartz (Lodolite)
Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)
Granite
Phaneritic Felsic Igneous Rock
Porphyritic Rhyolite
Porphyritic Rhyolite (SiO2)
Schist
Mica Schist
Chalcedony Geode
Chalcedony (SiO2) within a geode structure
Basalt
Basalt
Gneiss
Gneiss (Metamorphic Rock)
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Hydrated ferric oxide (FeO(OH)·nH2O)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
Orange Calcite
Calcium Carbonate (CaCO3)
Greenstone
Protolith of basalt/gabbro (chlorite-epidote metamorphic facies)
Gravel and Pebbles
Unconsolidated rock fragments (clastic sediment)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Garnet (specifically Almandine or Pyrope)
Almandine: Fe3Al2(SiO4)3 or Pyrope: Mg3Al2(SiO4)3
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz with Epidote inclusions
Silicon Dioxide (SiO2) with Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Tree Agate
Dendritic Chalcedony (SiO2)
Sandstone Pebble
Arenite (typically SiO2)
Schist
Metamorphic Rock (Mica Schist)
Quartz
Silicon Dioxide (SiO2)
Quartz Geode fragment
Crystalline Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite - Ca5(PO4)3F
Amethyst (Raw Quartz)
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite
Diorite
Plutonic Igneous Rock (Intermediate Composition)
Garnet
Garnet group (X3Y2(SiO4)3)