Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Lepidolite
Lepidolite - K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Sand Grain (Silica/Quartz Grain)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz pebble
Silicon Dioxide (SiO2)
Blue Agate (Dyed Chalcedony)
Silicon Dioxide (SiO2)
Rough Dark Green Sapphire
Corundum (Al2O3)
Celestine (Celestite)
Strontium sulfate (SrSO4)
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
Sandstone
Arenite (composed primarily of SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
Rose Quartz
Quartz (Silicon Dioxide, SiO2) with trace inclusions of dumortierite
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with inclusions of Dumortierite or similar minerals
Fluorite (likely Green Fluorite variant)
Calcium Fluoride (CaF2)
Pumice
Pumice (Vesicular volcanic glass)
Sandstone
Arenite (SiO2 based)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Cloudy Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz in Matrix
Silicon Dioxide (SiO2)
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Smoky Quartz and Clear Quartz Geode
Silicon Dioxide (SiO2)
Titanium Quartz (Rough)
Titanium-included Silicon Dioxide (SiO2 + Ti)
Quartz
Silicon dioxide (SiO₂)
Snowflake Obsidian
Vitreous Volcanic Rock (Amorphous Silicate), SiO2
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Clear Quartz (Carved Dragon)
Quartz (Silicon Dioxide, SiO2)
Coarse-grained Quartz with Feldspar inclusions
Crystalline Quartz (SiO2) with Orthoclase/Plagioclase Feldspar inclusions
Granite
Phaneritic Plutonic Felsic Rock
Pink Granite
Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)
Quartzite Pebble (with Iron Inclusions)
Quartzite (primarily SiO2 with Fe2O3/FeOOH impurities)