Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
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Paraiba Tourmaline
Elbaite Tourmaline (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) - Copper-bearing
mineral
Greenstone
Metamorphosed Mafic Igneous Rock
metamorphic
Granite
Phaneritic intrusive igneous rock (mostly Quartz, Feldspar, and Mica)
igneous
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (Microcline / Orthoclase, KAlSi3O8)
mineral
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Black Tourmaline (Schorl) in Matrix
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (variety Amazonite) - K(AlSi3O8)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
mineral
Red Quartz (Druzy)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Oxide impurities
mineral
Specular Hematite
Iron Oxide (Fe2O3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Mixed Mineral Specimens
Mixed Silicates, Oxides, and Phosphates (SiO₂, Ca₅(PO₄)₃(F,Cl,OH), Na₈Al₆Si₆O₂₄Cl₂, etc.)
mineral
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Yellow Quartz (Citrine Quartzite)
Silicon Dioxide (SiO2)
mineral
Amazonite (with smoky quartz/red jasper inclusions)
Tectosilicate - Microcline Feldspar (KAlSi3O8)
Mineral
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Diamond (or Cubic Zirconia simulant)
Carbon (C) or Zirconium Dioxide (ZrO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Rhodonite
Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Quartz (Milky Quartz / Greenish Quartz)
SiO2 (Silicon Dioxide)
mineral
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
mineral