Milky quartz pebble
Quartz (SiO₂), massive variety
Category
Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.
Milky quartz pebble
Quartz (SiO₂), massive variety
White Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Rose Quartz or Jasper variety)
Silicon Dioxide (SiO2)
Tumbled white quartz pebble
Quartz, silicon dioxide (SiO₂), likely milky quartz
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Raw rose quartz
Quartz, SiO₂ (pink variety)
Milky Quartz with Talc / Serpentine
Silicon Dioxide (SiO2) with Mg3Si4O10(OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Blue Quartzite
Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite), SiO2
Band Agate / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Granite with Quartz inclusion
Granite (Mainly SiO2, KAlSi3O8, NaAlSi3O8)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Milky quartz pebble
Quartz, silicon dioxide (SiO₂)
Lapis Lazuli
Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
Likely milky quartz fragment
Quartz (SiO₂)
Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.)
Silica minerals (primarily SiO2)
Bull Quartz with Mica and Host Rock
Massive Quartz (SiO2) with Muscovite/Chlorite inclusions
Milky Quartz (Tumbled)
Quartz (Silicon Dioxide, SiO2)
Rounded quartz-rich pebble
Likely milky quartz or quartzite (SiO₂), identification uncertain from image
Milky quartz fragment
Quartz (silicon dioxide, SiO₂)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Tumbled milky quartz
Quartz, silicon dioxide (SiO₂)
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Mottled quartz pebble
Quartz (SiO₂), likely iron-oxide-stained milky quartz
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2AlSi3O10(OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Polished yellow jasper or iron-rich chert
Microcrystalline quartz (SiO₂) with iron-oxide inclusions
Polished moss agate cabochon
Moss agate, a translucent chalcedony variety (microcrystalline quartz, SiO₂) with inclusions of chlorite, amphibole, or manganese/iron oxides
Milky quartz
Quartz, silicon dioxide (SiO₂)
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Tumbled garnet (likely almandine)
Almandine garnet, iron-aluminum nesosilicate (Fe₃Al₂Si₃O₁₂)