Sedimentary Or Igneous

Yellow Jasper

Silicon Dioxide (SiO2) with iron impurities

Red Jasper (Tumbled)

Silicon Dioxide (SiO2) with iron oxide inclusions

Blue Topaz (facetted in jewelry)

Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)

Sandstone

Arenite (Sedimentary Rock)

Conglomerate

Conglomerative Sedimentary Rock

Limestone

Sedimentary Calcite (CaCO3)

Conglomerate

Conglomerate (Sedimentary rock)

Conglomerate (or Breccia)

Clastic Sedimentary Rock

River Pebble (Siltstone/Mudstone)

Clastic sedimentary rock

Sandstone (likely Graywacke or Lithic Sandstone)

Clastic Sedimentary Rock

River Rock (likely Siltstone or fine-grained Sandstone)

Clastic Sedimentary Rock

Conglomerate

Clastic sedimentary conglomerate

Shale

Lutaceous Sedimentary Rock

Granite

Granite (Felsic intrusive igneous rock)

Granite

Granite (Phaneritic Quartz-Feldspar Felsic Rock)

Gastropod Fossil (Internal Mold)

Phylum Mollusca, Class Gastropoda (Steinkern)

Eudialyte in Matrix

Eudialyte [Na15Ca6(Fe,Mn)3Zr3(Si25O73)(O,OH,H2O)3(Cl,OH)2]

Sodalite

Na8(Al6Si6O24)Cl2

Milky Quartz

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Rose Quartz

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

Labradorite

Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8

Carnelian (Orange Chalcedony)

Silicon dioxide (SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

White Topaz

Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)

Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)

Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Jasper Agate

Silicon dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Rose Quartz with Schist Matrix

Silicon Dioxide (SiO2) with Mica-Schist

Amethyst (Rough)

Silicon Dioxide with iron impurities (SiO2)

Moonstone with Black Tourmaline

Orthoclase (KAlSi3O8) with Schorl inclusions

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Biotite Mica

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

Morganite (Pink Beryl)

Beryllium aluminum silicate Be3Al2(SiO3)6

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Purple Lepidolite with Quartz

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

Quartz

Silicon Dioxide (SiO2)

Rose Quartz

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

Quartz (Citrine or Iron-Stained)

Silicon Dioxide (SiO2)

Lavender Quartz (appearing as beads) and Druzy Quartz

Silicon Dioxide (SiO2)