Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Mineraloid)
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
Learn about Mineral (Specifically A Mineraloid) in the encyclopedia
View all →
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Limonite and Goethite (Ironstone)
Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)
sedimentary
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Stilbite
Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O)
mineral
Bumblebee Jasper
Anhydrite with Sulfur, Hematite, and Orpiment (SiO2/CaSO4 mixture)
sedimentary
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
metamorphic
Pearl
Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3
mineral
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
mineral
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
mineral
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Green Opal
Hydrated amorphous silica (SiO2·nH2O) with inclusions
mineraloid
Black Obsidian
Volcanic glass (Amorphous silicates)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Tourmalinated Quartz
Silicon dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Sea Glass (Frosted Quartz/Glass)
Amorphous Silicon Dioxide (SiO2)
Mineraloid
Amber
Succinurite (C10H16O)
mineraloid
Moonstone (Grey)
Feldspar (variety Orthoclase/Adularia) with the formula (K,Na)AlSi3O8
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineral
Jasper (or possibly Agate/Chalcedony) beads
SiO2 (Silicon Dioxide)
mineral
Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Obsidian
Obsidian (principally SiO2 with MgO and Fe3O4)
igneous
Amber with Inclusion
Succiniferous fossil resin (C10H16O)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Nuummite
Nuummite (ortho-amphibole rock)
metamorphic
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Selenite
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions
mineral
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Epidosite with Quartz (Unakite-variant or Jasper)
Epidotized Metasomatite
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chrysotile Asbestos
Mg3Si2O5(OH)4
mineral
Dendritic Agate (specifically Orange/Tumbled)
Silicon Dioxide (SiO2) with Oxide Inclusions
mineral
Green Opal (Prase Opal)
SiO2 · nH2O (Hydrated Silicon Dioxide)
mineral
Citrine (tumbled)
Silicon dioxide, SiO2
mineral