Mineral With Metamorphic Or Sedimentary Host

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz Pebble with Host Rock / Schist Matrix

Silicon Dioxide (SiO2) with Metamorphic Host Rock

Quartz (or Chalcedony) Specimen

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Small white mineral fragment

Indeterminate; possibly quartz, calcite, or feldspar

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Chalcedony (Botryoidal Agate vein)

Chalcedony (Microcrystalline Quartz) - SiO2

Quartz pebble with a conchoidal chip

Silicon dioxide (SiO2)

Quartz pebble

Silicon Dioxide (SiO2)

Quartz Veined Mudstone

Metasedimentary rock with Quartz (SiO2) veins

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (or Vein Quartz)

Silicon Dioxide (SiO2)

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz Vein / Quartz Matrix

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz-Veined Slate or Greenstone

Metamorphic rock with quartz vein (SiO2)

Banded Gneiss with Quartz Vein

Gneiss containing SiO2 (Quartz) intrusion

Gneiss with Quartz Vein

Metamorphic Gneiss with Quartz (SiO2) and Feldspar Injection

Bull Quartz with Mica and Host Rock

Massive Quartz (SiO2) with Muscovite/Chlorite inclusions

Veined Limestone (or Quartz-Veined Slate/Shale)

Metamorphosed Sedimentary Rock with Calcite/Quartz Veins

Quartz with Inclusions

Silicon Dioxide (SiO2)

Quartz with Muscovite Mica

Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]

Gold Quartz (Auriferous Quartz)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

Garnet

Garnet (X3Y2(SiO4)3)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock

Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Vein in Hematitic Siltstone

Hydrothermal Quartz (SiO2) in Ferriferous Matrix

Quartz Vein in Basalt or Slate

Hydrothermal quartz vein traversing mafic host rock

Pyrite in Matrix (Fool's Gold)

Iron Disulfide (FeS2)

Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock)

Quartz Vein in Greywacke/Slate (SiO2 in host rock)

Pyrite in Matrix

Iron Sulfide (FeS2)

Auriferous Quartz or Pyritic Ore

Iron Pyrite (FeS2) or Native Gold (Au) in Matrix

Bull Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz Vein in Matrix (Breccia / Host Rock with Quartz)

Silicon Dioxide (SiO2) in Host Rock Matrix

Milky Quartz with Chlorite Schist Inclusions

Quartz (SiO2) with Chlorite Group silicates (typically (Mg,Fe)3(Si,Al)4O10(OH)2)

Zoisite with Ruby

Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities