Mineral (Evaporite)

Aventurine

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

Granite

Granite (Felsic Plutonic Rock)

Ferruginous Sandstone (River Pebble)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 cement)

Granite (Weathered River Rock)

Granite (Phaneritic Igneous Rock)

Sandstone (Micaceous)

Clastic Sedimentary Rock (primarily SiO2 with Mica)

Granite

Granite (High-silica plutonic rock)

Diamond

Diamond (C)

Granite cobble

Granite (composed primarily of Quartz, Feldspar, and Mica)

Granite

Plutonic felsic igneous rock

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)

Porphyritic Basalt (Mafic volcanic rock)

Diamond (in a metal ring setting)

Diamond (Pure Carbon, C)

Quartzite pebble

Quartzite (composed primarily of Quartz, SiO2)

Basalt with Amygdaloidal Infilling

Porphyritic or Amygdaloidal Basalt

Blue Sapphire

Corundum (Al2O3)

Magnetic Hematite

Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)

Phantom Quartz with Chlorite and Hematite inclusions

Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)

Garnet

Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3

Schist

Mica Schist

Banded Slate or Siltstone with Quartz/Calcite Veins

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

Granite (Light-colored quartz/feldspar variety)

Granite (composed primarily of Quartz SiO2 and Feldspar KAlSi3O8)

Fluorite in Matrix

Fluorite (CaF2) within a host rock matrix

Shale

Shale (Sedimentary rock composed of mud/clay minerals)

Moonstone (bead form)

Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar

Sandstone

Arenite (Sedimentary Rock)

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)

Gneiss (specifically Micaceous Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Basalt River Cobble

Basalt (Aphanitic Mafic Volcanic Rock)

Amphibolite (specifically Hornblende Schist/Gneiss)

Amphibole-rich Metamorphic Rock

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)

Limonite with Hematite

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Pyromorphite on Epidote

Pyromorphite [Pb5(PO4)3Cl] and Epidote [Ca2(Al2,Fe3+)(SiO4)3(OH)]

Gneiss (with Mica and Quartz)

Gneissic Metamorphic Rock

Granite

Granite (Phaneritic Igneous Rock)

Greenschist (Greenstone)

Chlorite Schist / Greenschist Facies Rock

Aventurine (likely Green Aventurine)

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

Chakra Stone Bracelet (mixed gemstones)

Multi-mineral/Gemstone assembly (primarily Quartz variety beads)

Epidote with Quartz and Feldspar

Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)

Gneiss

Gneiss

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Aquamarine

Beryl (Be3Al2Si6O18)

Garden Quartz (Shaman Quartz)

Silicon Dioxide (SiO2) with various inclusions (Hematite, Chlorite, Feldspar)