Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartz
Quartz (Silicon Dioxide - SiO2)
River Quartzite (River Rock)
Quartzite (SiO2)
Jasper (Red Jasper with Quartz veins)
Jasper (Silicon Dioxide, SiO2)
Ocean Jasper
SiO2 (Silicon Dioxide) - Chalcedony variety
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (composed primarily of SiO2)
Quartzite
Quartzite (SiO2)
Tumbled Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Jasper
Silicon dioxide, SiO2
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Orange Quartzite (Tumbled)
Quartzite (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Amethyst
Amethyst is a variety of Quartz (SiO₂)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite Pebble (with Iron Inclusions)
Metamorphic Rock (Mainly SiO2)
Dalmatian Jasper
Dalmatian Stone (a porphyritic peralkaline igneous rock)
Greenstone (Greenstone River Pebble)
Greenschist (metamorphosed mafic igneous rock)
Red Tiger's Eye
Silicified Crocidolite (SiO2 with iron oxide inclusions)
Quartzite
Quartzite (primarily SiO2)
Quartz (Milky or Smoky Quartz Pebble)
Silicon Dioxide (SiO2)
Dalmatian Stone
Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)
Quartzite (Ferruginous)
Metamorphosed Quartz Sandstone (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Quartz (Dumortierite Quartz)
SiO2 containing inclusions of Dumortierite [Al7(BO3)(SiO4)3O3]
Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Quartz / Quartzite
Silicon Dioxide (SiO2)
Quartzite pebble
Metamorphic rock dominated by SiO2 (Quartz)
Agate
SiO2
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with Trace Inclusions
Jasper (Green Jasper/River Stone)
Silicon Dioxide (SiO2) with impurities
Unakite
Epidotized Granite
Pyrite
Iron Disulfide (FeS2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese