Rock Identifier

Category

Man Made Byproduct (Non Geological)

Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.

Oolitic Limestone (Oolite (Sedimentary Calcium Carbonate)) — sedimentary

Oolitic Limestone

Oolite (Sedimentary Calcium Carbonate)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Red Garnet (Pyrope-Almandine series (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)) — mineral

Red Garnet

Pyrope-Almandine series (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)

Nephrite Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2), a variety of Actinolite-Tremolite) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2), a variety of Actinolite-Tremolite

Rose Quartz (SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Chert (Brown Variety) (Silicon dioxide (SiO2)) — sedimentary

Chert (Brown Variety)

Silicon dioxide (SiO2)

Milky Quartz with Mineral Inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Rose Quartz (Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)

Pink Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Cobaltian Calcite (Cobaltoan Calcite) (Cobalt-bearing Calcite (Ca,Co)CO3) — mineral

Cobaltian Calcite (Cobaltoan Calcite)

Cobalt-bearing Calcite (Ca,Co)CO3

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Stromatolite (Laminated biogenic sedimentary structure (formed by Cyanobacteria)) — sedimentary

Stromatolite

Laminated biogenic sedimentary structure (formed by Cyanobacteria)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Brown Jasper (Jasper (a cryptocrystalline variety of Quartz, SiO2)) — Mineral, specifically a variety of Quartz

Brown Jasper

Jasper (a cryptocrystalline variety of Quartz, SiO2)

Mineral, specifically a variety of Quartz

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

Rose Quartz

Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)

Rough Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rough Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Galena (Lead Sulfide (PbS)) — mineral

Galena

Lead Sulfide (PbS)

Satin Spar (often marketed as Selenite) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar (often marketed as Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Manganese Oxide Crust on Limestone (Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3) — sedimentary

Manganese Oxide Crust on Limestone

Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — Mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Eclogite (Eclogite (Omphacite + Almandine-Pyrope Garnet)) — metamorphic

Eclogite

Eclogite (Omphacite + Almandine-Pyrope Garnet)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Rhodonite in Matrix (Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3) — mineral

Rhodonite in Matrix

Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silica / Silicon Dioxide), SiO2) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide), SiO2

Rose Quartz (Aura Quartz) (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz (Aura Quartz)

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Moss Agate / Carnelian Agate (Silicon Dioxide (SiO2) with iron and manganese inclusions) — mineral

Moss Agate / Carnelian Agate

Silicon Dioxide (SiO2) with iron and manganese inclusions

Peridotite (with Olivine) (Peridotite (rich in Olivine, (Mg,Fe)2SiO4)) — igneous

Peridotite (with Olivine)

Peridotite (rich in Olivine, (Mg,Fe)2SiO4)

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

Milky Quartz with Iron Inclusions

Quartz (Silicon Dioxide, SiO2)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Ironstone Nodules / Siderite Concretion (Siderite (FeCO3) / Ferruginous Septarian Concretion) — sedimentary

Ironstone Nodules / Siderite Concretion

Siderite (FeCO3) / Ferruginous Septarian Concretion

Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)