Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Category
Browse mineral; variety of quartz specimens identified by the Rock Identifier community.
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Ruby
Corundum (Al2O3 with Chromium traces)
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Agate
Agate (Silicon Dioxide - SiO2)
Pegmatite with Smoky Quartz and Feldspar
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Milky/Gold-stained)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz pebble)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Smoky Quartz Geode Slice
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Milk Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (White/Milky with Iron Staining)
Silicon Dioxide (SiO2)
Pink Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Zebra Jasper
Silicon dioxide (SiO2) with various impurities
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
Obsidian and Phantom Quartz
Volcanic Glass (SiO2 + MgO + Fe3O4) and Crystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Gneiss (specifically Banded Gneiss)
Gneiss
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Jade (often Serpentine or Dolomite)
Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)