Picture Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Category
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Picture Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Leopard Skin Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Mantle Xenolith in Basalt
Peridotite Xenolith in Basalt
Septarian Nodule (Pebble)
Septarian concretion (composition: CaCO3, calcite, aragonite, and clay/mudstone)
Granite
Phaneritic Plutonic Felsic Rock
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Gneiss
Gneiss
Biotite Gneiss
Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)
Garnet Gneiss
Gneiss containing almandine-pyrope garnet
Porphyritic Basalt (Leopard Palm Stone)
Porphyritic Mafic Volcanic Rock
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Conglomerate
Conglomerate (clastic sedimentary rock)
Rhyolite with Agate/Quartz Vugs
Rhyolite (Volcanic Rock) containing SiO2 (Silica) vugs
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Quartz with mica and feldspar (Pegmatite fragment)
Granitic Pegmatite (composed mainly of SiO2 with KAlSi3O8)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Sandstone Cobble
Clastic Sedimentary (Sandstone)
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
Sandstone / Weathered Quartzite
Sandstone (Quartz Arenite)
Gneiss (Granitic Gneiss)
Gneiss
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Diorite
Diorite
Sedimentary Pebble (Sandstone)
Clastic Sedimentary Rock (SiO2 dominant)
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
Granite Pebble
Granite (Phaneritic intrusive igneous rock comprising Quartz, Feldspar, and Mica)
Granite
Granite
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
Schist
Mica Schist
Quartz (Rose Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz with Chlorite or Epidote inclusions
Silicon Dioxide (SiO2) with inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2)