Man Made Object (Metal Alloy)

Milky Quartz

Silicon Dioxide (SiO2)

Banded Iron Formation

Banded Iron Formation (BIF)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Green Fluorite

Calcium Fluoride (CaF2)

Agate (or Banded Agate)

Agate (a variety of Chalcedony, which is a cryptocrystalline form of Quartz); Chemical Formula: SiO₂ (Silicon Dioxide)

Limonite and Goethite (Ironstone)

Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)

Rose Quartz

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

Granite

Plutonic felsic igneous rock

Quartz

Quartz (SiO2 - Silicon Dioxide)

Silver (Sterling Silver Jewelry)

Argentum (Ag) mixed with Copper (Cu)

Quartzite

Quartzite (primarily Silicon Dioxide, SiO2)

Magnetite

Magnetite (Fe3O4)

Moss Agate and Hematite

Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)

Lepidolite

K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)

Milk Quartz (Vein Quartz)

Quartz (Silicon Dioxide, SiO2)

Basalt

Vesicular Basalt (Mafic volcanic rock)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Granite

Granite (Phaneritic Igneous Rock)

Granite Pebble

Igneous Intrusive Rock (Quartz-Feldspar-Mica Phenocrysts)

Olivine in Basalt matrix

Peridotite (Mg, Fe)2SiO4

Chert (Quartz Variety)

Chert (Silicon Dioxide, SiO2)

Diamond (in a jewelry setting)

Carbon (C)

Serpentinite (Serpentine Rock)

Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.

Garnet-Mica Schist

Schist (variety with Almandine Garnet, Fe3Al2(SiO4)3)

Amber

Fossilized Tree Resin (Amorphous Hydrocarbon)

Quartzite

Quartzite (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite (Sugar Quartz)

Quartzite (primarily SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Imperial Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions

Fluorite (Purple Fluorite in Matrix)

Fluorite (Calcium Fluoride, CaF2)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Silver (Native Element)

Ag (Argentum)

Granite

Felsic Plutonic Rock (primarily SiO2)

Granite

Phaneritic plutonic rock (Quartz + Feldspar + Mica)

Calcite

Calcite (CaCO3)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Halite (Rock Salt)

Halite; NaCl (Sodium Chloride)

Granite

Granite (Felsic Plutonic Rock)

Granite

Plutonic felsic igneous rock

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.

Rutilated Quartz

Quartz with Rutile Inclusions (SiO2 with TiO2 inclusions)