Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Minerals
Browse minerals specimens identified by the Rock Identifier community.
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Green Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Biotite Schist
Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Smoky Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Coquina
Bioclastic Limestone (CaCO3)
sedimentary
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Chert (Jasper/Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Granite
Granite (Felsic Plutonic Rock)
igneous
Epidotite (Unakite-related Epidote)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Vesicular Basalt with Amygdules
Amygdaloidal Basalt
igneous
Diorite
Intermediate plutonic igneous rock
igneous
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Native Copper in Basalt
Cuprum (with Host Basalt)
igneous
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Limonite streaks)
sedimentary
Fossilized Coprolite
Coprolite (fossilized feces)
sedimentary
Granitic Pegmatite
Coarse-grained Igneous Rock (Granitic composition: KAlSi3O8, SiO2)
igneous
Greenstone
Greenschist-facies basaltic rock
metamorphic
Schist with Quartz/Mica
Mica Schist (primarily Muscovite and Quartz)
Metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Pink Granite
Phaneritic intrusive igneous rock (Felsic)
igneous
Diorite
Phaneritic intermediate plutonic rock (Diorite)
igneous
Diamond
Carbon (C)
mineral
Rock salt (Halite)
Halite (Sodium Chloride, NaCl)
sedimentary
Blue Slag Glass
Amorphous Silica (Byproduct of smelting)
Antropogenic (Man-made)
Granite
Felsic intrusive igneous rock
igneous
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz with Hematite Staining
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic