Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-feldspar, Quartz, and Biotite)
Dragon Stone (Dragon Blood Jasper)
Epidote with Pietersite or Red Jasper inclusions (varied SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
Yellow Aventurine
Quartz (SiO2) with inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (specifically Milky Quartz Pebble)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
Agate
Agate (Cryptocrystalline Variety of Quartz, SiO2)
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Brecciated Jasper
Silicon dioxide (SiO2) microcrystalline quartz breccia
Quartz (likely) or a Quartzite Pebble
Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.
Granite Pebble
Granite (composed primarily of Quartz, Potassium Feldspar, Plagioclase, and Biotite/Amphibole)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate
Silicon dioxide (SiO2)
Fancy Jasper
Silicon dioxide (SiO2)
Yellow Jasper
Chalcedony (Silicon Dioxide, SiO2)
Red Jasper (Siltstone or Chert-based Jasper)
Silicon dioxide with hematite (SiO2 + Fe2O3)
Quartzite (specifically a river-worn pebble)
Quartzite (primarily SiO2)
Chrysocolla in Quartz
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O in Quartz (SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Chert (specifically Pink Chert or Jasperized Chert)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Red Jasper variant)
Microcrystalline Quartz (SiO2)
Granite Pebble
Granite (Felsic Plutonic Rock)
Milky Quartz
Silicon Dioxide (SiO2)