Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Impactite)
Browse mineral (impactite) specimens identified by the Rock Identifier community.
Learn about Mineral (Impactite) in the encyclopedia
View all →
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
mineral
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
gemstone
Sandstone with Ironstone Concretion
Arenite with Ferruginous Cement
sedimentary
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Gneiss
Gneiss
metamorphic
Granite
Phaneritic Felsic Igneous Rock
igneous
Limonite Ironstone
Goethite-Limonite concretion / Iron oxide
sedimentary
Jasper Mushroom Carving
Silicon Dioxide (Microcrystalline Quartz, SiO2)
mineral
Basalt with Amygdule
Aphanitic Mafic Volcanic Rock (Basalt) with Zeolite/Quartz Infill
igneous
Botryoidal Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Gneiss
Gneiss
metamorphic
Sandstone with Quartz/Calcite druse
Arenite with druse (SiO2 or CaCO3)
sedimentary
Basalt with Vesicular/Amygdaloidal Alteration
Extrusive Igneous Rock (Mafic)
igneous
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
igneous
Pyrite
Iron Disulfide (FeS2)
mineral
Gypsum (Selenite sand)
Calcium sulfate dihydrate (CaSO4·2H2O)
mineral
Fluorite on Host Rock
Calcium Fluoride (CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite Sandstone
Ferruginous Sandstone (Hydrated Iron Oxide)
sedimentary
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Talc Schist / Soapstone
Talc (Mg3Si4O10(OH)2)
metamorphic
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
mineral
Pegmatite
Pegmatite (felsic intrusive igneous rock)
igneous
Banded sandstone pebble
Quartz-rich lithic sandstone; exact provenance and composition require testing
sedimentary
Pink Granite (Unakite-bearing or Epidote-bearing Granite)
Plutonic Igneous Rock (Granite)
igneous
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite
Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)
igneous
Diorite (Salt and Pepper Rock)
Diorite
igneous
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Gneiss
Gneiss
metamorphic
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Gneiss (Metamorphic Pebble)
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Diorite
Diorite (Phaneritic intermediate plutonic rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Gneiss
metamorphic