Mineral (Variant Of Quartz)

Graphic Granite

Graphic Granite (a variety of Pegmatite)

Aventurine (likely Green Aventurine)

Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)

Chrysocolla in Quartz (Gem Silica)

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (SiO2)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Granite

Granite (Phaneritic intrusive igneous rock)

Sandstone (clastic)

Clastic Sedimentary Rock (primarily composed of SiO2)

Rose Quartz

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

Amethyst

Amethyst (Silicon Dioxide with iron impurities, SiO2)

White Calcite

Calcium Carbonate (CaCO3)

Iron-Stained Quartz Pebble

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Granite

Granite (a common rock type, not a single mineral species)

Jasper containing epidote (Unakite-like)

Epidotized Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Amygdaloidal Basalt

Vesicular-Amygdaloidal Basalt (Mafic Extrusive)

Dyed Dalmatian Jasper (Dalmatian Stone)

Perthitic Feldspar with Arfvedsonite inclusions

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Milky Quartz

Silicon Dioxide (SiO2)

BROWN GRANITE (likely 'Tan Brown' or similar)

Granite (specifically a variety rich in orthoclase feldspar, often with biotite and possibly hornblende)

Gold Nugget

Native Gold (Au)

Veined Limestone (Micrite) with Quartz/Calcite Veins

Calcium Carbonate (CaCO3) with Silicate or Carbonate inclusions

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite mica

Quartzite with Chlorite/Epidote

Metamorphosed Quartzite (SiO2)

Yellow Aventurine (or Citrine-colored Quartz)

Silicon Dioxide (SiO2) with inclusions

Chert (containing Flint and Chalcedony)

Microcrystalline Quartz (SiO2)

Chevron Amethyst

Silicon Dioxide (SiO2) with trace Iron (Fe3+)

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Quartz (Fieldstone/Pebble)

Silicon Dioxide (SiO2)

Indigo Gabbro

Gabbro (MaFIC intrusive rock)

Blue Lepidolite

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Amygdaloidal Basalt

Amygdaloidal Basalt containing Zeolite and Calcite inclusions

Amygdaloidal Basalt

Basalt with Secondary Mineral Infillings

Copper-bearing Quartz (with Malachite and Iron Oxides)

Quartz (SiO2) with Malachite (Cu2CO3(OH)2) and Hematite/Limonite (Fe2O3)

Gneiss (Metamorphic Cobble)

Gneiss

Chert (specifically Tan Chert)

Chert (SiO2)

Snowflake Obsidian

Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)

Banded Slate or Siltstone with Quartz/Calcite Veins

Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)

Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartzite

Quartzite (SiO2)

Green Quartzite

Quartzite (primarily SiO2 with trace impurities)

Dalmatian Stone (often misnamed Dalmatian Jasper)

Aplite (with hornblende/arfvedsonite inclusions)