Basalt with Quartz Veining
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Basalt with Quartz Veining
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Red Jasper
Silicon Dioxide (SiO2)
Agate
SiO2
Pink Tumbled Agate (Dyed)
Silicon Dioxide (SiO2) with artificial dyes
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
N/A
Pink Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (mostly SiO2)
Quartzite with Feldspar
Quartzite (mainly SiO2) with inclusions of Potassium Feldspar (KAlSi3O8)
Limonite (Iron Ore)
FeO(OH)·nH2O
Quartzite
Quartzite (SiO2)
Basalt River Rock
Basalt (Aphanitic Mafic Igneous Rock)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Granite
Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)
Quartzite
Quartzite (SiO2)
Apatite
Fluorapatite (Ca5(PO4)3F)
Sodalite
Na8(Al6Si6O24)Cl2
Jasper
Chalcedony (SiO2)
Flint / Chert
Silicon dioxide (SiO2)
Breccia
Clastic Breccia (SiO2/CaCO3 dominated)
Halite (Rock Salt)
Sodium Chloride (NaCl)
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Kimberlite
Kimberlite
Tree Agate
Silicon Dioxide (SiO2) with inclusions of manganese and iron oxides
Amethyst (Quartz variety)
Silicon Dioxide (SiO2) with iron impurities
Yellow Jasper
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper
Chalcedony (SiO2 with iron oxide impurities)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sandstone (with manganese staining)
Clastic sedimentary rock (primarily SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
Gold Nugget Jewelry
Native Gold (Au)
White Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Basalt
Basalt (Mafic Extrusive)
Pyrite
Iron Sulfide (FeS2)
Banded Gneiss
Gneiss (pronounced 'nice')
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)
Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)