Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Category
Browse synthetic glass specimens identified by the Rock Identifier community.
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Matrix
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Orange Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz (Tumbled)
Smoky Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (or Chalcedony)
Chert (Microcrystalline Quartz, SiO2)
Chert (White Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Druzy Quartz (on Chalcedony/Agate base)
Silicon Dioxide (SiO2)
Shale
Argillaceous Rock
Jasper
Jasper (Silicate mineral, SiO2)
Chert (varieties: Flint or Chalcedony)
Microcrystalline silica (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Iron-stained or Dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Jasper
Silicon dioxide (SiO2)
Yellow Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Rough Quartz (likely Rose or Amethyst variety)
Silicon Dioxide (SiO2)
Chalcedony (River Stone)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Chert (and/or Siltstone River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Green Aventurine (Quartz)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
Chert (often called Flint in various colors)
Silicon Dioxide (SiO2)
Amber
Succinite
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Banded Agate (Crazy Lace/Mexican Agate Variety)
Silicon Dioxide (SiO2)
Chert (Common Variety, Jasper)
Microcrystalline Quartz (SiO2)