Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Category
Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Milk Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Rose Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Red Quartzite
Quartzite (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
Chert (Flint variety)
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Milky Quartz
Silicon Dioxide (SiO2)
Banded Iron Formation
Banded Iron Formation (BIF)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Flint (or Chert)
Cryptocrystalline Quartz (SiO2)
Quartzite (River Pebble)
Quartzite (Mainly SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Granite
Granite (a phaneritic intrusive igneous rock)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
Eclogite
Eclogite (Omphacite + Pyrope)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Granite
Plutonic felsic igneous rock
Jasper
Silicon Dioxide (SiO2) with impurities
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Chevron Amethyst
SiO2 (Quartz with Manganese/Iron impurities)
Milky Quartz
Silicon Dioxide (SiO2)
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Natural White Pearl
Calcium Carbonate (Aragonite/Calcite) with Conchiolin - CaCO3
Fossil Coral
Cnidaria Anthozoa (Fossilized)
Chert
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Basalt
Mafic Volcanic Rock (primarily Plagioclase and Pyroxene)
Jadeite Jade
Jadeite (NaAlSi2O6)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese