Sedimentary Or Igneous Associated Mineral

Sunstone

Oligoclase (Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8 with Hematite or Copper inclusions

Vesicular Basalt

Basalt with secondary mineral infilling (Amygdaloidal Basalt)

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Granite Pebble (Salt and Pepper Granite)

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)

Basalt

Extrusive Mafic Igneous Rock

Shale or Siltstone

Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)

Granite

Granite (a common rock type, not a single mineral with a formula. Composed primarily of quartz, feldspar, and mica/amphibole).

Rough Quartz (Alluvial Pebbles)

Silicon Dioxide (SiO2)

Sandstone

Arenicola (comprising mostly Quartz, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Garden Quartz (Phantom Quartz)

Silicon Dioxide (SiO2) with various inclusions (often Chlorite, Hematite, or Iron)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz

Silicon Dioxide (SiO2)

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Sandstone

Arenite (SiO2 based)

Limonite (Ironstone)

Limonite (FeO(OH)·nH2O)

Granite Pebble

Granite (Phaneritic Quartz-Feldspar Rock)

Granite

Granite (Phaneritic Igneous Rock / Quartz, Feldspar, Mica)

Gneiss

Gneiss (High-grade metamorphic rock)

Milky Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

Diorite (River Cobble)

Intermediate plutonic igneous rock

Granite

Phaneritic Felsic Igneous Rock

Granite (River-worn Cobble)

Phaneritic Felsic Igneous Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)

Rough Gemstone Grains (Mixed Sapphires and Quartz)

Corundum (Al2O3) and Quartz (SiO2)

Biotite Mica

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

Milky Quartz

Silicon Dioxide (SiO2)

Red Garnet

Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)

Blue Moss Agate / Blue Chalcedony

Silicon Dioxide (SiO2)

Moonstone

Feldspar (Orthoclase with Albite), (K,Na)AlSi3O8

Sagenitic Agate (with Goethite/Rutile inclusions)

Silicon Dioxide (SiO2) with hydrous ferric oxide inclusions

Quartz (with Iron staining)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

Zircon

Zirconium Silicate (ZrSiO₄)

Iron-stained Milky Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Sandstone (likely Quartz Sandstone)

Arenite (composed primarily of SiO2)

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

Quartz (Milk Quartz Cobble)

Silicon Dioxide (SiO2)

Yellow Quartz Pebble

Silicon Dioxide (SiO2)