Mineral (Variant Of Quartz)

Granite

Felsic intrusive igneous rock

Granite

Felsic intrusive igneous rock

Quartz (Yellow/Citrine Variety)

Silicon Dioxide (SiO2)

Smoky quartz crystal

Quartz, silicon dioxide (SiO₂), likely smoky variety

Weathered quartz-bearing rock, possibly granite or gneiss

Indeterminate; likely quartz–feldspar–mica aggregate, possibly granitic gneiss

Quartz-rich granite or granitic pegmatite fragment

Granite; primarily quartz (SiO₂), feldspar, and mica

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein Rock

Silicon dioxide (SiO2) within a host rock matrix

Gold in Quartz Ore

Hydrothermal Quartz with native Gold (Au)

Carved Sea Turtle Figurine (Aventurine / Quartz / Jasper)

Quartz variety (SiO2) / Polycrystalline Quartz Aggregate

Quartz Vein in Metamorphic Rock

Quartz-veined Schist or Gneiss

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite

Metamorphic Quartz (SiO2)

Quartz Vein in Host Rock (likely Sandstone or Mudstone)

Silicon Dioxide (SiO2) within Sedimentary Matrix

Quartz with Mica (Gneissic or Pegmatitic origin)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(F,OH)2)

Quartz Vein Rock with Feldspar

Silicon Dioxide (SiO2) with Potassium Feldspar

Gold Ore in Quartz

Auriferous Quartz (Au + SiO2)

Mixed Mineral Collection (with Titanium Aura Quartz)

Silicon Dioxide (SiO2) with metallic coatings and various silicates

Lepidolite in Quartz

K(Li,Al)3(Si,Al)4O10(F,OH)2 / SiO2

Tumbled pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), likely rose quartz

Likely rough smoky quartz

Quartz, SiO₂ (smoky variety)

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2) with miscellaneous inclusions

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Milky quartz with dark mineral veins

Quartz, silicon dioxide (SiO₂), likely massive vein quartz; dark veins may be chlorite, mica, iron/manganese oxides, or a sulfide mineral

Weathered quartz-rich mineral nodule

Likely quartz (SiO₂) with iron-oxide staining and possibly feldspar/mica; exact identification requires testing

Gold-bearing Quartz Ore

Auriferous Quartz (SiO2 with Au)

Likely rose quartz

Quartz, SiO₂; crystalline silicon dioxide

Tumbled white quartz

Quartz (silicon dioxide, SiO₂), likely milky quartz

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions/staining (Limonite/Hematite)

Banded Gneiss Pebble

Gneiss (Metamorphic Rock)

White Quartz Pebble

Silicon Dioxide (SiO2)

Smoky quartz with iron staining (uncertain, possibly quartz-rich vein rock)

Quartz, silicon dioxide (SiO₂), likely including smoky quartz; minor iron-oxide inclusions

Likely smoky quartz-bearing rock or quartz crystal

Quartz, silicon dioxide (SiO₂), possibly smoky quartz with iron- or irradiation-related coloration

Quartz Geode with Iron Staining

Silicon Dioxide (SiO2) with Limonite/Hematite inclusions

Quartz (Yellow / Citrine Quartz Pebble)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Ferruginous Quartz

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

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Mineral

Silicon dioxide (SiO2)

Quartz Mineral

Silicon Dioxide (SiO2)