Mineral (Variant Of Quartz)

Quartz-rich Diorite

Diorite (Phaneritic intermediate igneous rock)

Tumbled brown quartz (likely smoky quartz)

Quartz, silicon dioxide (SiO₂); brown coloration may be smoky quartz or iron-stained quartz

Quartz with Pyrite inclusions

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Quartz-rich gneiss

Foliated quartz–feldspar–mica gneiss, possibly migmatitic

Polished rose quartz

Rose quartz (quartz), SiO₂

Hematoid Quartz

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Rutilated Quartz

SiO2 with TiO2 inclusions (Rutile)

Granitic Pegmatite (Muscovite and Quartz)

Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Quartz with Mica/Host Rock

Silicon Dioxide (SiO2) with Phyllosilicates

Gold Quartz (Auriferous Quartz)

Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides

Small gray rock fragment, likely granite or diorite

Uncertain; probable coarse-grained silicate rock dominated by feldspar and quartz, possibly biotite/hornblende

Quartz with Iron Oxide

SiO2

Milky Quartz with Pyrite inclusions

Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)

Tumbled milky quartz

Quartz (SiO₂), likely milky quartz

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (specifically Clear and Rose Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz on Schist

Silicon Dioxide (SiO2) on Foliated Metamorphic Rock

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz with Feldspar and Mica (Pegmatite Fragment)

Granitic Pegmatite

Likely quartz-bearing rock or mineral fragment

Indeterminate; possibly quartz (SiO₂) with iron-oxide staining and darker matrix

Milky quartz

Quartz (silicon dioxide, SiO₂)

Quartz Vein in Basalt or Sedimentary Host Rock

Silica-veined lithic fragment (SiO2 in host matrix)

Rutilated Quartz

SiO2 with TiO2 inclusions (Quartz with Rutile)

Healer's Gold (Iron-Stained Quartz Cluster)

Silicon Dioxide with Iron Oxide Coating (SiO2)

Strawberry Quartz

Silicon Dioxide (SiO2) with Hematite/Goethite inclusions

Sphalerite with Galena and Calcite / Quartz display specimens

Zinc Iron Sulfide (Zn,Fe)S with Quartz (SiO2) / Aquamarine / Fluorite

Milky quartz

Quartz (silicon dioxide, SiO₂)

Milky Quartz

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz Mushroom)

Silicon Dioxide (SiO2)

Strawberry Quartz

Silicon Dioxide (SiO2) with hematite or goethite inclusions

Included Quartz (Garden Quartz / Lodolite)

Quartz (SiO2) with various mineral inclusions

Milky quartz with iron-stained mica

Quartz (SiO₂), likely intergrown with muscovite and minor iron oxides

Quartz (Smoky/Milky)

Silicon Dioxide (SiO2)

Quartz (Peach / Hematoid Quartz)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), pink variety