Igneous, Sedimentary, And Metamorphic Mix

Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.

White Quartz

Silicon Dioxide (SiO2)

mineral

Optical Calcite

Calcium Carbonate (CaCO3)

mineral

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

mineral

Orange Calcite

Calcium Carbonate (CaCO3)

mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

mineral

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

mineral

Quartz / Clear Quartz

Silicon Dioxide (SiO2)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral

Red Garnet

Almandine Garnet (Fe3Al2(SiO4)3)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Quartz

Silicon Dioxide (SiO2)

mineral

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

mineral

Quartz (Common or Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

Gold Nugget

Native Gold (Au)

mineral

Quartz (Milky/Crystalline)

Quartz (Silicon Dioxide, SiO2)

mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Clear Quartz Fragment

Quartz (Silicon Dioxide, SiO2)

mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Quartz

Silicon Dioxide (SiO2)

mineral

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic

Quartz with Basalt inclusion

Silicon Dioxide (SiO2) with mafic silicate rock

igneous and sedimentary/metamorphic mix

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic

Gneiss

Metamorphic Gneiss

metamorphic

Gneiss

metamorphic

Gneiss

metamorphic

Blue Calcite

Calcium Carbonate (CaCO3)

mineral

Acrylic or Resin (Synthetic Imitation)

Polymethyl Methacrylate (PMMA) or Polyepoxide

Synthetic/Man-made Polymer

Garnet in Host Rock

Garnet Group (A3B2(SiO4)3)

metamorphic

Ruby in Zoisite

Zoisite with Corundum (Ca2Al3(SiO4)(Si2O7)O(OH) + Al2O3)

metamorphic

Gneiss

metamorphic

Ruby in Zoisite

Anyolite (Ruby in Zoisite)

metamorphic

River Stone (River Pebble)

River Stone (Composition: primarily Quartzite, Chalcedony, and silicate minerals)

sedimentary

Schist

Chlorite/Mica Schist

metamorphic

Calcite

Calcite (CaCO3)

Mineral