Mineral With Metamorphic Or Igneous Host

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock with secondary mineral fillings)

Granitic Pegmatite

Granitic Pegmatite (primarily SiO2 with KAlSi3O8)

Wishing Stone with Quartz Veins

Quartzite or Quartz-veined Metamorphic Rock (composed mainly of SiO2)

Quartz on Basalt

Silicon Dioxide (SiO2) on Mafic Igneous Rock

Green Aventurine in Host Rock

SiO2 (Quartz with Fuchsite inclusions)

Jasper and Epidote Breccia

Silicified Brecciated Rock with Epidote

Druzy Quartz on Host Rock

Silicon Dioxide (SiO2) with various iron-oxide inclusions

Quartz Vein in Granite

Crystalline Silicon Dioxide (SiO2) in Granitic Matrix

Lodolite (Garden Quartz)

Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Tumbled Agate

Silicon Dioxide (SiO2)

Tourmaline (Schorl or Dravite) on Matrix

Complex Borosilicate - Na(Mg,Fe,Li,Al,Mn)3Al6(BO3)3Si6O18(OH,F)4

Quartz Druzy

Crystalline Silicon Dioxide (SiO2)

Milky quartz

Quartz (silicon dioxide, SiO₂)

Magnetite (Lodestone)

Magnetite (Fe3O4)

Basalt with Quartz/Calcite Veins

Basalt (Aphanitic Mafic Volcanic Rock) with Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) inclusions

Ruby

Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)

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

Clear Quartz

Silicon Dioxide (SiO2)

Pyrite-bearing rock (likely pyrite in a quartz or sulfide-rich matrix)

Pyrite, FeS₂; the gray host may be quartz, carbonate, or another sulfide-bearing rock

Quartz (Milky or Smoky variant)

Silicon Dioxide (SiO2)

Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Garnet in Matrix (Eclogite)

Eclogite, featuring Almandine or Pyrope Garnet [X3Y2(SiO4)3]

Schist (Diamond Drill Core)

Mica Schist

Coarse-grained Quartz and Feldspar Pegmatite

Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8)

Gold Ore

Auriferous Quartz and Sulfide Mineralization in Host Rock

Apatite

Ca5(PO4)3(F,Cl,OH)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Turtleback Rock (Brecciated Diabase / Granite)

Brecciated hypabyssal intrusive rock

Ruby

Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Blue Quartz

Quartz (SiO2) with inclusions

Quartz Crystal (specifically a small Clear Quartz point)

Silicon Dioxide (SiO2)

Banded Agate Geode (with Microcrystalline Quartz)

Silicon Dioxide (SiO2) - variety Chalcedony/Agate

Agate (specifically Carnelian or Honey Agate)

Silicon Dioxide (SiO2)

Carnelian (a variety of Chalcedony)

SiO2 (Silicon Dioxide with Iron Oxide impurities)

Bull Quartz

Quartz (Silicon Dioxide, SiO2)

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)