Sedimentary Or Igneous

Basalt (Road Aggregate / Crushed Stone)

Aphanitic Mafic Igneous Rock

Granite

Felsic Intrusive Igneous Rock

Granite

Granite (Phaneritic Igneous Rock)

Basalt

Extrusive mafic igneous rock

Basalt

Extrusive mafic igneous rock

Pink Granite

Phaneritic Felsic Igneous Rock

Basalt

Extrusive Mafic Igneous Rock

Basalt

Aphanitic Mafic Igneous Rock

Basalt

Basalt (extrusive igneous rock)

Diorite (River Pebble)

Intermediate plutonic igneous rock

Granite

Phaneritic intrusive igneous rock

Diorite

Diorite (plutonic igneous rock)

Basalt

Extrusive mafic igneous rock

Basalt with Epidote Veins

Mafic Igneous Rock (Basalt)

Basalt (River Pebble)

Extrusive mafic igneous rock

Mahogany Obsidian

Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions

Gabbro

Gabbro (Mafic Plutonic Rock)

Fossiliferous Limestone with Rugose Coral

Calcite (CaCO3) matrix containing Rugosa (order of extinct solitary and colonial corals)

Milky Quartz

Silicon Dioxide (SiO2)

Blue Quartz (potentially Dumortierite-included)

Silicon Dioxide (SiO2) with inclusions

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)

Unakite

Epidotized Granite

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Peacock Ore (Bornite/Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)

Blue Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Labradorite

(Ca, Na)(Al, Si)4O8

Beryl (Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Sodalite

Chloric sodium aluminum silicate (Na8(Al6Si6O24)Cl2)

Yellow Quartz

Silicon Dioxide (SiO2)

Rose Quartz

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

Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Sodalite

Na8(Al6Si6O24)Cl2

Pink Lepidolite

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

Bronzite

Enstatite (var. Bronzite), (Mg,Fe)SiO3

Biotite Schist

Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Anyolite (Ruby in Zoisite)

Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

Limonite (Iron Stone Concretion)

Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O

Quartzite

Quartzite (primarily composed of SiO O₂)