Rock Identifier

Category

Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)

Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.

Chert (Flint) (Silicon dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon dioxide (SiO2)

Polished Black Obsidian (Volcanic Glass (70-75% SiO2)) — igneous

Polished Black Obsidian

Volcanic Glass (70-75% SiO2)

Obsidian (Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)) — Igneous

Obsidian

Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)

Quartz (Orangey-white variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Orangey-white variety)

Silicon Dioxide (SiO2)

Quartz (Smoky/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Serpentinite (Serpentinite (group of hydrous magnesium iron phyllosilicates)) — metamorphic

Serpentinite

Serpentinite (group of hydrous magnesium iron phyllosilicates)

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

Granite (Plutonic felsic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Plutonic felsic rock (Quartz, Feldspar, Mica)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Druzy Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Druzy Quartz

Quartz (Silicon Dioxide, SiO2)

Chert / Flint (Chert (varietal name for microcrystalline quartz). Chemical formula: SiO₂) — Mineral

Chert / Flint

Chert (varietal name for microcrystalline quartz). Chemical formula: SiO₂

River Jasper (Green Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary

River Jasper (Green Jasper)

Silicon Dioxide (SiO2) with impurities

Tiger's Eye (Banded) (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye (Banded)

Pseudomorph of Quartz after Crocidolite (SiO2)

Banded Agate (Crazy Lace/Mexican Agate Variety) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Crazy Lace/Mexican Agate Variety)

Silicon Dioxide (SiO2)

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Amethyst (SiO2 (Silicon Dioxide) - Purple variety of Crystalline Quartz) — mineral

Amethyst

SiO2 (Silicon Dioxide) - Purple variety of Crystalline Quartz

Moonstone (Blue Flash) (Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar) — mineral

Moonstone (Blue Flash)

Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar

Rose Quartz (tumbled) (Rose Quartz (variety of Quartz, chemical formula SiO₂)) — Mineral

Rose Quartz (tumbled)

Rose Quartz (variety of Quartz, chemical formula SiO₂)

Carnelian (Carnelian (variety of Chalcedony, SiO2 with iron oxide impurities)) — mineral

Carnelian

Carnelian (variety of Chalcedony, SiO2 with iron oxide impurities)

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

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Jasper Agate (Carnelian Jasper) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Jasper Agate (Carnelian Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz chunk (Silicon dioxide (SiO2)) — mineral

Quartz chunk

Silicon dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Chevron Amethyst (Crystalline Silicon Dioxide with Iron impurities (SiO2)) — mineral

Chevron Amethyst

Crystalline Silicon Dioxide with Iron impurities (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2) with trace aluminum and irradiation) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with trace aluminum and irradiation

Chert (Jasper/Carnelian variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Carnelian variety)

Microcrystalline Quartz (SiO2)

Serpentinite (Serpentinite (a rock composed predominantly of serpentine group minerals)) — metamorphic

Serpentinite

Serpentinite (a rock composed predominantly of serpentine group minerals)

Yellow Jasper (Microcrystalline Quartz with Iron Oxide (SiO2)) — sedimentary

Yellow Jasper

Microcrystalline Quartz with Iron Oxide (SiO2)

Quartz (in a rock matrix) (Quartz (SiO2)) — mineral

Quartz (in a rock matrix)

Quartz (SiO2)

Sandstone (Quartzose) (Arenite (predominantly SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (predominantly SiO2)

Sandstone (Quartzose Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Citrine (Quartz (SiO₂)) — Mineral

Citrine

Quartz (SiO₂)

Black Tourmaline (Schorl) (Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3)(OH)3(OH))) — mineral

Black Tourmaline (Schorl)

Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3)(OH)3(OH))

Serpentine (Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)) — Metamorphic rock

Serpentine

Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)

Metamorphic rock

Dark-colored Igneous Rock (likely Basalt or Diabase) (Basalt (extrusive igneous) or Diabase (intrusive igneous)) — Igneous Rock

Dark-colored Igneous Rock (likely Basalt or Diabase)

Basalt (extrusive igneous) or Diabase (intrusive igneous)

Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate) (Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement) — Mineral

Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)

Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement

Agate Nodule (partially vuggy Quartz) (Silicon Dioxide (SiO2)) — Mineral/Sedimentary

Agate Nodule (partially vuggy Quartz)

Silicon Dioxide (SiO2)

Mineral/Sedimentary

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Rose Quartz (Rose Quartz (SiO2)) — mineral

Rose Quartz

Rose Quartz (SiO2)