Metamorphic Or Igneous With Mineral Inclusion

Lapis Lazuli

Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)

Bornite

Bornite (Cu5FeS4)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

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

Tree Agate

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Sunstone

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

Green Aventurine

Aventurine (Silicon Dioxide with Fuchsite inclusions - SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Granite (Micro-specimen)

Plutonic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Basalt with Amygdules

Amygdaloidal Basalt

Quartz (Amethyst variety)

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxide impurities

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide impurities, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Inclusions

Quartz (Silicon Dioxide, SiO2)

Mahogany Obsidian

Volcanic Glass with Hematite/Magnetite inclusions (SiO2)

Schist

Crystalline Schist (often containing Muscovite, Biotte, or Quartz)

Phantom Quartz (Chlorite Inclusion)

Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Al)6(Si,Al)4O10(OH)8

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Epidote

Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Arsenopyrite in Quartz/Host Rock

Arsenopyrite (FeAsS)

Basalt

Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)

Amazonite

Potassium Feldspar (KAlSi3O8)

Milky Quartz

Silicon Dioxide (SiO2)

Amygdaloidal Basalt

Vesicular Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)

Obsidian

Obsidian (principally SiO2)

Rose Quartz

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

Snowflake Obsidian

Spherulitic Obsidian (SiO2 + impurities)

Snowflake Obsidian

Volcanic glass containing Spherulites (SiO2)

Rose Quartz

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

River Stone / Pebble

Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)

Pegmatite (White Granite variant)

Pegmatitic Granite (Quartz and Feldspar rich)

Magnetite

Magnetite (Fe3O4)

Muscovite Mica

Muscovite: KAl2(AlSi3O10)(OH)2

Pegmatite (Granitic)

Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

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

Yellow Calcite

Calcium Carbonate (CaCO3)