Metamorphic Or Igneous With Mineral Inclusion

Yooperlite (Sodalite-bearing Syenite)

Sodalite-rich Syenite

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Jade

Jadeite or Nephrite (both are commonly referred to as 'jade'). Jadeite: NaAlSi2O6; Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2.

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Dendritic Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Green Quartzite

Metamorphic rock primarily composed of Silicon Dioxide (SiO2) with mineral inclusions like fuchsite or chlorite

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Sodalite

Sodium Aluminum Silicate Chloride (Na8Al6Si6O24Cl2)

Green Quartzite (Aventurine-like)

Quartzite (primarily SiO2 with chromium-rich mica or chlorite inclusions)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Black Sand (Magnetite Sand)

Magnetite (Fe3O4)

Amygdaloidal Rhyolite

Amygdaloidal felsic extrusive rock

Blue Moss Agate / Blue Chalcedony

Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace Titanium or Manganese

Spessartine Garnet

Manganese aluminum silicate (Mn2+3Al2(SiO4)3)

Pyrite

Iron Sulfide (FeS2)

Citrine

Silicon Dioxide (SiO2)

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Schist

Lepidoblastic Mica Schist

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na4Al3Si3O12Cl)

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Plagioclase Feldspar (specifically Albite/Oligoclase)

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

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Green Aventurine

Aventurine Quartz (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Quartz

Quartz (SiO2)

Sunstone

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Granitic Pegmatite

Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)

Mica Schist with Pyrite

Muscovite/Biotite Schist with Iron Sulfide (FeS2)

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

White Quartz Pebbles

Quartz (Silicon Dioxide, SiO2)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Pink Granite

Phaneritic intrusive igneous rock (Felsic)

Granite

Granite (Mainly Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Granite

Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8, and Mica)