Granite
Phaneritic Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Category
Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.
Granite
Phaneritic Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
Granite
Phaneritic Felsic Igneous Rock (Granite)
Granodiorite
Granodiorite (containing Quartz, Plagioclase Feldspar, Biotite, and Hornblende)
Granite
Granite (Felsic Plutonic Rock)
Quartzite (River Pebble)
Quartzite (SiO2)
Basalt
Basalt
Crushed Stone (Likely Granite or Diabase)
Intrusive Igneous Rock (Granitoid/Gabbroid)
Granite
Phaneritic Felsic Igneous Rock
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Basalt with Calcite Veins
Basalt (containing CaCO3 inclusions)
Basalt
Basalt (SiO2 percentage between 45% and 52%)
Granite (Pink/Red Orthoclase variety)
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
Basalt (Weathered Pebble)
Extrusive mafic rock (primarily Plagioclase Feldspar and Pyroxene)
Granite
Granite (phaneritic felsic intrusive rock)
Crushed Granite Gravel
Granite (Mainly Quartz, Feldspar, and Mica)
Gold
Gold (Native Element); Au
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
Epidotite (Unakite variety)
Epidotized Granite (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Marble
Metamorphosed Limestone (principally CaCO3)
Cinnabar in Quartz
Silicon Dioxide (SiO2) with Mercury Sulfide (HgS) inclusions
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
Unakite
Unakite (Epidotized Granite)
Anthracite Coal
Anthracite (Carbon-based solid)
Citrine Quartz
Silicon Dioxide (SiO2)
Shungite
Shungite (carbon-rich Precambrian rock)
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
Moss Agate
Silicon Dioxide with inclusions (SiO2)
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
Granite
Granite (phaneritic intrusive igneous rock)
Citrine
Citrine (Silicon Dioxide, SiO2)
Dragon Vein Agate
Silicon Dioxide (SiO2)
Amazonite
Amazonite (KAlSi3O8)
Dinosaur Bone (Gembone)
Agatized Dinosaur Bone (Silicified Paleo-osteoid)
K2 Jasper (K2 Granite)
Azurite-in-Granite
Quartzite Pebble
Quartzite (SiO2)
Granite
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Bloodstone
Chalcedony (cryptocrystalline quartz)
Snowflake Obsidian
Volcanic glass (SiO2) with Cristobalite (SiO2) inclusions
Pink Granite (Gneissic Granite)
Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)
Snowflake Obsidian
Volcanic glass containing Cristobalite (SiO2)