Red Jasper Cube
SiO2 (microcrystalline quartz)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Red Jasper Cube
SiO2 (microcrystalline quartz)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz / Chalcedony
Silicon Dioxide (SiO2)
Pink Quartz Grains
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Crystalline Quartz (SiO2)
Milky Quartz Boulder
Quartz (Silicon Dioxide, SiO2)
Golden Quartz / Iron-stained Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Goethite or Limonite)
Banded Agate (Carnelian variety)
Cryptocrystalline Quartz (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orange Quartz (or Tumbled Carnelian)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz Crystal (Geode Fragment)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Cryptocrystalline quartz (SiO2)
Yellow or Honey Quartz
Silicon Dioxide (SiO2)
Tumbled blue chalcedony (likely blue quartz/chalcedony)
Cryptocrystalline silica, SiO₂; likely chalcedony, possibly dyed or surface-coated
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Sandstone River Cobble
Arenite (SiO2 based)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Goethite/Limonite inclusions
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chalcedony (variations like Agate or Jasper)
Chalcedony (SiO₂ - microcrystalline quartz)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Gravel variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Quartz (likely Aventurine or Prasiolite)
Silicon Dioxide (SiO2) with inclusions
Fluorite
Calcium Fluoride (CaF2)