Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
Category
Browse igneous or metamorphic (base stone); anthropogenic (decoration) specimens identified by the Rock Identifier community.
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)
Granite
Phaneritic Plutonic Felsic Rock (KAlSi3O8 - SiO2 - NaAlSi3O8)
Granite
Plutonic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Granite (Silicic Intrusive Igneous Rock)
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Nuummite
Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
Concrete
Hydrated Portland Cement Aggregate Composite
Basalt (Vesicular/Scoriaceous)
Extrusive Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)
Porphyritic Andesite
Andesite (Intermediate Extrusive Volcanic Rock)
Basalt River Cobble
Basalt (Aphanitic Mafic Volcanic Rock)
Andesite
Intermediate Volcanic Rock (Andesite)
Ferro-Manganese Slag
Vitreous Silicate Slag
Porphyritic Andesite
Andesite (porphyritic variety)
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)
Septarian Nodule Segment (Commonly known as Dragon Stone or Lightning Stone)
Septarian Nodule (CaCO3 / Hydrated Calcium Carbonate)
Rough Citrine Quartz
Citrine (Silicon Dioxide, SiO2 with iron impurities)
Quartzite
Quartzite (SiO2)
Orange Quartzite (River Pebble)
Quartzite (SiO2 with iron oxide impurities)
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
Gneiss
Gneiss
Red Jasper with Quartz and Hematite
Silicon Dioxide (SiO2) with Ferric Iron inclusions
Pyrite
Iron Sulfide (FeS2)
Basalt River Cobble
Vitreous aphanitic Basalt
Snowflake Obsidian
Spherulitic Obsidian (primarily SiO2 with Cristobalite inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Granodiorite
Granodiorite (containing Plagioclase, Quartz, and Biotite)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Basalt Pebble
Basalt (Extrusive Mafic Igneous)
Porphyritic Rhyolite (Red)
Rhyolite (Porphyry)
Basalt
Extrusive Mafic Igneous Rock
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Extrusive mafic igneous rock
Gabbro
Gabbro (Mafic Plutonic Rock)
Basalt
Extrusive mafic volcanic rock
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt
Basalt
Basalt