Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
Quartz vein in Host Rock
Crystalline Silicon Dioxide (SiO2) in Lithic Matrix
Quartzite
Quartzite (principally SiO2)
Arkosic Sandstone (or Conglomeritic Sandstone fragment)
Arkose (rich in feldspar)
Quartzite
Quartzite (SiO2)
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
Moonstone
Orthoclase Feldspar (KAlSi3O8) or Albite mixtures
Bumblebee Jasper
Fossiliferous Calcite containing Orpiment and Realgar
Amazonite
Amazonite (KAlSi3O8)
Silty Sand / Loam
Unconsolidated Clastic Sediment (Silicon Dioxide / Alumino-silicates mixture)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (SiO2 with iron impurities)
Clear Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Pink Granite
Phaneritic intrusive felsic igneous rock
Jasper Pebble
Tumbled Jasper (Microcrystalline Quartz, SiO2)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Quartz (specifically Rose or Smoky tinted Quartz)
Silicon Dioxide (SiO2)
River Rock (likely Quartzite or Quartz-rich Siltstone)
Quartzite (SiO2)
Quartzite (Iron-stained)
Quartzite (mostly SiO2)
Slag
Anthropogenic glassy silicate
River Siltstone / Mudstone Pebble
Siltstone (composed of mixed silicate and carbonate minerals)
Pyrite in Matrix (Commonly called Fool's Gold)
Iron Sulfide (FeS2)
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Green Fluorite in Host Rock
Fluorite (Calcium Fluoride, CaF2)
Amethyst
SiO2 (Silicon Dioxide) - Purple variety of Quartz
Dalmatian Jasper (or Dalmatian Stone)
Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst (Raw Quartz)
Silicon Dioxide (SiO2)
Granite
Phaneritic Plutonic Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
Vesicular Basalt with Secondary Mineral Inclusions
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Que Sera Stone (Llanite)
Rhyolite Porphyry with Blue Quartz and Feldspar
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Blue Tiger's Eye
Silicon Dioxide (SiO2) with Crocidolite inclusions
Carnelian
SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)