Moldavite
Moldavite (Siliceous vitreous substance)
Category
Browse synthetic (glass) specimens identified by the Rock Identifier community.
Moldavite
Moldavite (Siliceous vitreous substance)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions (Quartzite)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Green Quartz (Prasiolite)
Silicon Dioxide (SiO2) with trace impurities
Quartzite Pebble
Quartzite (mostly SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz pebble with surface markings
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Banded Quartz
Silicon Dioxide (SiO2)
River Pebble (Quartzite/Chert)
Quartzite with inclusions (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (variations include Flint)
Chert (SiO2)
Quartzite River Rock (with Quartz Vein)
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
Obsidian
Obsidian (Volcanic Glass, ~70% SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with iron oxide impurities