Granite
Granite
Category
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Granite
Granite
Diamond in Kimberlite
Kimberlite Matrix with Carbon (Diamond)
Granite
Granite
Granite
Granite
Bumblebee Jasper
Anhydrite-Aragonite mixture with Orpiment and Realgar
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Gneiss (Metamorphic Cobble)
Gneiss
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz Pebble
Silicon Dioxide (SiO2)
Unakite
Epidotized Granite
Quartz (small fragment)
Silicon Dioxide (SiO2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Black Beauty Meteorite
NWA 7034 (Northwest Africa 7034)
Chert (with Quartz vein/coating)
Microcrystalline Quartz (SiO2)
River Cobble (likely Siltstone or Sandstone)
Clastic Sedimentary Rock
Petrified Wood
Silicified Wood (SiO2)
Garnetiferous Quartzite (Garnet Gneiss Pebble)
Garnet-bearing Quartzite or Quartz-Feldspar Gneiss
Green Apophyllite and Stilbite on Quartz Cluster
Apophyllite-(K) (KCa4(Si8O20)(F,OH)·8H2O), Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O), Quartz (SiO2)
Clay (as a rock-forming material)
Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Unopened Geode
Geode (containing various mineralization like Quartz SiO2)
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Muscovite Mica
Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))
Granite
Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica)
Banded Gneiss
Gneiss
Malachite
Malachite (Cu2(CO3)(OH)2 - a copper carbonate hydroxide mineral)
Green Calcite
Calcite (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Epidosite (Epidote-Quartz rock)
Epidote-rich hydrothermal rock
Limonite with Goethite
Iron Hydroxide Mixture (FeO(OH)·nH2O)
Pink Marble or Rose Quartz (Likely Pink Marble based on carving texture)
Recrystallized Calcite (CaCO3)
Quartz (Milk Quartz Cobble)
Silicon Dioxide (SiO2)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
Blue Dumortierite Quartz
Dumortierite Inclusions in Quartz (SiO2 with Al7(BO3)(SiO4)3O3)