Polychrome Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Mineral, Specifically A Cryptocrystalline Quartz Variety
Browse mineral, specifically a cryptocrystalline quartz variety specimens identified by the Rock Identifier community.
Agate
Silicon Dioxide (SiO2) - variety: Chalcedony
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Onyx Marble (also commonly called Onyx)
Calcite (CaCO3), often with other mineral impurities
Sedimentary Rock (specifically a type of Travertine)
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2) with trace inclusions of dumortierite
mineral
Breciated Chert
Brecciated Chert (Microcrystalline Quartz, SiO2)
sedimentary
Halite
Halite (NaCl)
mineral
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Botryoidal Chalcedony (Agate/Desert Rose Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Ruby (Raw/Rough)
Corundum (Al2O3 with Chromium trace)
mineral
Quartz
SiO₂ (Silicon Dioxide)
Mineral
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2 with trace Ti, Fe, or Mn)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Grey Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (variously known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint in this context)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Shiva Lingam
Cryptocrystalline Quartz (Jasproid/Jasper)
sedimentary
Crushed Granite Gravel
Granite (Mainly Quartz, Feldspar, and Mica)
igneous
Quartz with Tourmaline and Iron Staining
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Heliotrope (Bloodstone)
Silicon dioxide (SiO2) with inclusions
mineral
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Mineral
Porphyry
Porphyritic Andesite/Dacite
igneous
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral