Granite
Felsic intrusive igneous rock
igneous
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite Pebble
Granite
igneous
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Granite
Intrusive Igneous Rock
igneous
Porphyry (likely Porphyritic Andesite or Basalt)
Porphyritic Igneous Rock
igneous
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Banded Metamorphic Rock
Gneiss or Schist
metamorphic
Pink Granite (Unakite-bearing or Epidote-bearing Granite)
Plutonic Igneous Rock (Granite)
igneous
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Granite / Igneous Rock Specimen
Phaneritic Igneous Rock
igneous
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Granite
Granite
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Granite
Intrusive igneous rock
igneous
Small tumbled pebble (likely quartz or feldspar)
Indeterminate; probable quartz (SiO₂) or feldspar
mineral
Granite fragment
Granite (Felsic Plutonic Rock)
igneous
Diorite (possibly Orbicular Diorite or Porphyritic Diorite)
Intermediate Phaneritic Igneous Rock
igneous
Quartz (Tumbled)
SiO2 (Silicon Dioxide)
mineral
Quartz (Citrine or Iron-Stained)
SiO2
mineral
Granite
Felsic intrusive igneous rock
igneous
Tumbled white quartz pebble
Quartz, silicon dioxide (SiO₂), likely milky quartz
mineral
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
mineral
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
mineral
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (KAlSi3O8)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (River Cobble)
Gneiss
metamorphic
Pegmatite or Graphic Granite
Intrusive Igneous Rock
igneous
Porphyry
Porphyritic Igneous Rock
igneous
Porphyry (Porphyritic Basalt / Andesite)
Porphyritic Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock (Granite)
igneous