Rock Identifier

Category

Mineral (Occurring As A Rolled Clast)

Browse mineral (occurring as a rolled clast) specimens identified by the Rock Identifier community.

Greenstone (Greenschist (metamorphosed mafic igneous rock)) — metamorphic

Greenstone

Greenschist (metamorphosed mafic igneous rock)

Chrysocolla in Jasper (Chryso-Jasper) (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)) — mineral

Chrysocolla in Jasper (Chryso-Jasper)

Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)

Brecciated Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Rose Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Rose Quartz

Quartz (Silicon Dioxide - SiO2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Azurite (Azurite - Copper Carbonate Hydroxide [Cu3(CO3)2(OH)2]) — mineral

Azurite

Azurite - Copper Carbonate Hydroxide [Cu3(CO3)2(OH)2]

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Kimberlite with Diamond (Kimberlite (Porphyritic Peridotite)) — igneous

Kimberlite with Diamond

Kimberlite (Porphyritic Peridotite)

Peridot (Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)) — Mineral

Peridot

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Dyed Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Dyed Agate

Chalcedony (Silicon Dioxide, SiO2)

Peridot (Olivine) (Olivine ((Mg, Fe)2SiO4)) — mineral

Peridot (Olivine)

Olivine ((Mg, Fe)2SiO4)

Rough Sapphire (Corundum (Al2O3)) — mineral

Rough Sapphire

Corundum (Al2O3)

Peridot (Olivine (Mg, Fe)2SiO4) — mineral

Peridot

Olivine (Mg, Fe)2SiO4

Common Opal (Hydrated amorphous form of silica (SiO2·nH2O)) — mineral

Common Opal

Hydrated amorphous form of silica (SiO2·nH2O)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Clear Quartz Crystal (Quartz (Silicon Dioxide - SiO2)) — mineral

Clear Quartz Crystal

Quartz (Silicon Dioxide - SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Chalcedony in Host Rock (Silicon Dioxide (SiO2)) — mineral

Chalcedony in Host Rock

Silicon Dioxide (SiO2)

Sodalite (Sodalite, Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Yellow Agate / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Agate / Chalcedony

Silicon Dioxide (SiO2)

Peridot (Olivine ((Mg, Fe)2SiO4)) — mineral

Peridot

Olivine ((Mg, Fe)2SiO4)

Cloudy Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Cloudy Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Bismuth Crystal (Bismuth (Bi)) — mineral

Bismuth Crystal

Bismuth (Bi)

Rose Quartz (Quartz (Silicon Dioxide - SiO2) with trace impurities of Titanium, Manganese, or Iron) — mineral

Rose Quartz

Quartz (Silicon Dioxide - SiO2) with trace impurities of Titanium, Manganese, or Iron

Peridot (Gem-quality Olivine) (Magnesium Iron Silicate ((Mg, Fe)2SiO4)) — mineral

Peridot (Gem-quality Olivine)

Magnesium Iron Silicate ((Mg, Fe)2SiO4)

Mixed Tumbled Stones (Mostly Agate, Jasper, and Quartz) (Silicon Dioxide (SiO2)) — sedimentary and metamorphic minerals

Mixed Tumbled Stones (Mostly Agate, Jasper, and Quartz)

Silicon Dioxide (SiO2)

sedimentary and metamorphic minerals

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral side of metamorphic/igneous sources

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

mineral side of metamorphic/igneous sources

Sandstone (Sandstone (principally SiO2)) — sedimentary

Sandstone

Sandstone (principally SiO2)

Garden Quartz (Phantom Quartz) (Silicon Dioxide (SiO2) with inclusions (Chlorite, Feldspar, Goethite, Hematite)) — Mineral

Garden Quartz (Phantom Quartz)

Silicon Dioxide (SiO2) with inclusions (Chlorite, Feldspar, Goethite, Hematite)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Red Jasper (beads) (SiO₂ (Silicon Dioxide)) — Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper (beads)

SiO₂ (Silicon Dioxide)

Mineral, variety of chalcedony (microcrystalline quartz)

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

Fluorite (Purple Octahedron) (Calcium Fluoride (CaF2)) — Mineral

Fluorite (Purple Octahedron)

Calcium Fluoride (CaF2)

Labradorite (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Granitic Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Granitic Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartz Mica Schist (Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)) — metamorphic

Quartz Mica Schist

Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)