Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Category
Mineral (Specifically A Cryptocrystalline Variety Of Quartz)
Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.
Milky Quartz / Rose Quartz fragment
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Pink Granite
Granite (Felsic Plutonic Rock)
igneous
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
White Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz (Water-Worn Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Dragon Vein Agate
Chalcedony (cryptocrystalline silica, SiO2) variety Agate
mineral
Chalcedony Nodule in Matrix
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
SiO2 (Silicon Dioxide)
Mineral
Larvikite
Monzonite (intermediate intrusive igneous rock containing plagioclase, alkali feldspar, augite, and biotite)
igneous
Flower Agate
Chalcedony (SiO2) with Scolecite/Opaque inclusions
mineral
Jasper
Silicon Dioxide (SiO2)
sedimentary
Blue Tiger's Eye
Riebeckite (crocidolite variety)
Mineral
Jasper
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss (specifically Pink Gneiss)
Gneiss (high-grade regional metamorphic rock)
metamorphic
Banded Agate (Carnelian type)
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
mineral
Green Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (SiO2 matrix with quartz/jasper clasts)
sedimentary
Banded Agate
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)
sedimentary
Chalcedony (Common Agate pebble)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Black Onyx
Silicon Dioxide (SiO2)
mineral
Granite (specifically Pink Granite)
Phaneritic Plutonic Rock (High Potassium Feldspar Granite)
igneous
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Amethyst
SiO2 (Amethyst is a variety of Quartz)
mineral
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral