Mineral (Cryptocrystalline Quartz)

Shiva Lingam

Cryptocrystalline Quartz (Jasproid/Sandstone) with Iron Oxide (Fe2O3)

Shiva Lingam

Cryptocrystalline Quartz (Jasper/Chalcedony) with Iron Oxide inclusions

Pink Botswana Agate

Silicon Dioxide (SiO₂), a cryptocrystalline variety of Quartz and Chalcedony

Smoky Quartz

Smoky Quartz (SiO2)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Gold-bearing Quartz

Auriferous Quartz (SiO2 with Native Gold inclusion)

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Yellow Quartz River Pebble

Silicon Dioxide (SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz vein in Host Rock

Crystalline Silicon Dioxide (SiO2) in Lithic Matrix

Quartz

Quartz (SiO2 - Silicon Dioxide)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Chert (Flint)

Microcrystalline Silica (SiO2)

Gold Ore (in Quartz/Sulfide matrix)

Native Gold (Au) in Quartz (SiO2) and Pyrite (FeS2)

Tiger's Eye

Silicon Dioxide with inclusions (SiO2)

Quartz (specifically Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Quartz with Hematite Staining

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions

Iron-stained Quartz (Gossan/Limonite-coated Quartz)

Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)

Rutilated Quartz (with Garnet pendant)

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Milky Quartz

Quartz (SiO₂)

Smoky Quartz with Siderite and Pyrite

Silicon Dioxide (SiO2) with Ferrous Carbonate (FeCO3) and Iron Sulfide (FeS2)

Quartz in Matrix (possibly Basalt or Siltstone host)

Silicon Dioxide (SiO2) in Host Rock

Titanium Quartz (Rough)

Titanium-included Silicon Dioxide (SiO2 + Ti)

Yellow Quartz (Citrine Quartz variety / Ferruginous Quartz)

Silicon Dioxide (SiO2) with iron inclusions

Milky Quartz

Silicon Dioxide (SiO2)

Chevron Amethyst

Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz

Chert (often called Flint or River Stone)

Chert (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Garden Quartz

Included Quartz (SiO2 with accessory minerals such as Chlorite, Hematite, or Feldspar)

Quartz with Pyrite

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Chert (Chert Nodule with Chalky Cortex)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Pyrite on Quartz

Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)

Rutilated Quartz

Silicon Dioxide (SiO2) with inclusions of Titanium Dioxide (TiO2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions