Quartzite
Quartzite (Metamorphosed Sandstone)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (Metamorphosed Sandstone)
Flint
Silicon dioxide (Microcrystalline Quartz / Chert)
Blue Lace Agate
Chalcedony (SiO2) with trace inclusions
Seven Chakra Bonded Stone
Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz
Malachite
Malachite (Cu2CO3(OH)2)
Sandstone Concretion
Sedimentary concretion
Tumbled blue-green stone, likely chrysocolla or dyed chalcedony
Probable chrysocolla (hydrated copper aluminosilicate; variable composition), though appearance could also represent dyed chalcedony
Tiger Shark Fossil Tooth
Galeocerdo cuvier (fossilized)
Chert / Flint
Microcrystalline Quartz (SiO2)
Blue-green chrysocolla rough specimen
Chrysocolla, hydrated copper aluminosilicate; commonly associated with malachite, quartz, and limonite
Quartzite
Metamorphic Quartz Arenite
Quartzite
Silica (SiO2) quartzite
Goldstone
Avventurina (Cu + SiO2 glass)
Flint / Chert Pebble
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline silica (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (and Agate/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Chert (Flint nodule)
Chert (SiO2)
Chert (Polished River Pebble)
Chert (SiO2)
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Chert
Microcrystalline Quartz (SiO2)
Chert / Flint
Silicon Dioxide (SiO₂)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint / Jasper)
Silicon Dioxide (SiO2)
Red Quartzite
Quartzite (Metamorphosed Quartz Arenite)
Chert (often called Flint or River Stone)
Microcrystalline alpha-quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl (Biogenic Mineraloid)
Calcium carbonate (CaCO3) primarily as Aragonite
Chert (Flint)
Microcrystalline Silica (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint)
Silicon Dioxide (SiO2)
Basalt
Basalt
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Chert (Chert / Flint)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
SiO2 (Microcrystalline Quartz)