Mineral (Processed Alloy)

Granite

Felsic Intrusive Igneous Rock

Dalmation Jasper (Dalmation Stone)

Perthitic feldspar-quartz-amphibole rock

Granite

Phaneritic Felsic Igneous Rock

Granite

Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)

Porphyry

Porphyritic Andesite/Basalt

Lepidolite and Rubellite (Pink Tourmaline)

Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2] and Rubellite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4]

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

Chert (variations include Flint/Jasper)

Cryptocrystalline Quartz (SiO2)

Lepidolite

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

Quartz Geode

Silicon Dioxide (SiO2)

Schist

Mica Schist

Chert (variations include Flint or Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Limestone with Calcite Veins

Calcium Carbonate (CaCO3)

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Chert (specifically Jasper or Flint variant)

Cryptocrystalline Quartz (SiO2)

Limestone with Quartz or Calcite Veining

Calcium Carbonate (CaCO3) matrix with SiO2 or CaCO3 inclusions

Clear Quartz

SiO2 (Silicon Dioxide)

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite

Garden Quartz

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

Granite

Granite (Phaneritic igneous rock)

Chert (Limestone-based)

Silicon dioxide (SiO2)

Chert / River Pebble

Silicon Dioxide (SiO2)

Pegmatite (with smoky quartz and tourmaline/biotite)

Pegmatitic Granite

Coarse-grained Granite

Phaneritic Granite (contains Quartz, Feldspar, and Mica)

Clear Quartz Cluster

Silicon Dioxide (SiO2)

Chert (often called Flint)

Cryptocrystalline Quartz (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Porphyry (specifically Porphyritic Basalt or Andesite)

Porphyritic extrusive igneous rock (Mg,Fe)2SiO4 (Olivine inclusions/Plagioclase Feldspar)

Clear Quartz

Silicon Dioxide (SiO2)

Schist

Mica Schist (primarily Muscovite and Biotite)

Garnet Schist or Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Quartz with Mica (Micaceous Quartz)

Silicon Dioxide (SiO2) with Phyllosilicates

Biotite Schist with Garnet

Garnet-Biotite Schist

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Quartz (Milky or Iron-stained)

Quartz (Silicon Dioxide, SiO2)

Quartz Crystal Point

Silicon Dioxide (SiO2)

Quartz with Mica inclusions (Pegmatite)

Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions

Granite

Granite (Felsic Plutonic Rock)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Clear Quartz

Silicon Dioxide (SiO2)

Obsidian

Volcanic Glass (predominantly SiO2)