Mineral (Specifically A Variety Of Quartz)

Orange Calcite

Calcium Carbonate (CaCO3)

Tiger's Eye (specifically Blue Tiger's Eye / Falcon's Eye)

Pseudomorph of Quartz after Crocidolite (SiO2)

Serpentine

Serpentine-group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Dumortierite Quartz

Al7BO3(SiO4)3O3 (Aluminum borate silicate)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Rose Quartz

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

Chert (specifically Flint or Chalcedony nodule)

Microcrystalline Quartz (SiO2)

Jasper (specifically Red or Brecciated Jasper variant)

Jasper (Microcrystalline Quartz - SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Dalmatian Stone

Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Chert (specifically Jasper or Flint variety)

Cryptocrystalline Quartz (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Orange Aventurine (Sunstone-style Quartzite)

Silicon Dioxide (SiO2) with Goethite or Hematite inclusions

Granite

Plutonic felsic igneous rock

Citrine

Citrine (Silicon Dioxide, SiO2)

Tree Agate (or Moss Agate), faceted into a crystal tower

Dendritic Agate (Silicon Dioxide, SiO2)

Rose Quartz (likely carved)

Rose Quartz (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2)

Amethyst (Chevron Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Banded Calcite (Mexican Onyx)

Calcium Carbonate (CaCO3)

Yellow Quartz (Citrine or Iron-Stained Quartz)

Silicon Dioxide (SiO2)

Yellow Quartz (Chalcedony/Agate)

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Jasper (Petrified Wood variant)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Granite

Phaneritic Plutonic Felsic Rock (primarily Quartz (SiO2), Alkali Feldspar, and Plagioclase Feldspar)

Banded Agate

Chalcedony / Silicon Dioxide (SiO2)