Greenschist
Greenschist (Chlorite Schist facies)
metamorphic
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
Learn about Igneous And Mineral in the encyclopedia
View all →
Pink Granite
Granite (Phaneritic Acidic Igneous Rock)
igneous
Soapstone / Steatite
Steatite (primarily Talc, Mg3Si4O10(OH)2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Sapphire (Raw/Rough)
Corundum (Al2O3)
mineral
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Granite
Intrusive igneous rock (Acidic)
igneous
Rose Quartz
Rose Quartz (SiO2)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Small Grains)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2)
igneous
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
sedimentary
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
gemstone
Gabbro (Indigo Gabbro)
Gabbro (mafic intrusive igneous rock)
igneous
Pegmatite (Granitic)
Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)
igneous
Quartz pebble with iron stains
Macrocrystalline Quartz (SiO2)
mineral
Granite Sand (Decomposed Granite)
Grus / Quartz-Feldspar Detritus
sedimentary
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Vesicular Basalt with Zeolite
Mafic volcanic rock with Hydrated Aluminosilicate minerals (Zeolite group)
igneous
River Cobble (Weathered Granitoid)
Granodiorite / Quartz Diorite
igneous
Granite
Granite (Felsic Intrusive)
igneous
Basalt with Quartz Vein
Basalt (Mafic Extrusive Igneous Rock)
igneous
Gabbro with Quartz Vein
Gabbro (mafic intrusive igneous rock)
igneous
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt
Basalt with secondary mineral infilling (Amygdaloidal Basalt)
igneous
Granite
Granite (composed primarily of Quartz SiO2, Alkali Feldspar KAlSi3O8, and Plagioclase)
igneous
Granite (Pink/Potassium Feldspar rich)
Granite (K-feldspar rich intrusive igneous rock)
igneous
Gneiss
Gneiss
metamorphic
Gneiss
High-grade regional metamorphic rock (Foliated)
metamorphic
Granite Pebble
Granite (Phaneritic Igneous Rock)
igneous
Sunstone (Feldspar variety)
(Ca,Na)(Al,Si)4O8 with Hematite or Goethite inclusions
mineral
Granite
Granite (Felsic Plutonic Rock / SiO2 + Al2O3 + K2O + Na2O + CaO + FeO + MgO)
igneous
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral