Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Mineraloid)
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Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
metamorphic
Bornite
Bornite (Cu5FeS4)
mineral
Selenite Gypsum
Hydrous calcium sulfate (CaSO4·2H2O)
mineral
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Moonstone (Feldspar)
Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)
mineral
Shungite
Carbon-rich mineraloid (Amorphous carbon)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Rhodonite
Inosilicate, (Mn,Fe,Mg,Ca)SiO3
mineral
Moqui Marble (Concretion)
Iron Oxide Concretion
sedimentary
Obsidian
Obsidian (principally SiO2 with MgO and Fe3O4)
igneous
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Tourmalinated Quartz
Silicon dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Citrine or Yellow Quartz
Quartz (SiO2) with iron impurities
mineral
Amber with Inclusion
Succiniferous fossil resin (C10H16O)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
mineral
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
mineral
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Pearl
Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3
mineral
Epidosite with Quartz (Unakite-variant or Jasper)
Epidotized Metasomatite
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Bumblebee Jasper
Anhydrite with Sulfur, Hematite, and Orpiment (SiO2/CaSO4 mixture)
sedimentary
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Moonstone (Grey)
Feldspar (variety Orthoclase/Adularia) with the formula (K,Na)AlSi3O8
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Mahogany Obsidian
Volcanic glass (SiO2 + Fe2O3)
igneous
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Stilbite
Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Jasper (or possibly Agate/Chalcedony) beads
SiO2 (Silicon Dioxide)
mineral
Obsidian
Volcanic Glass (Amorphous silicon dioxide with trace impurities)
igneous
Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid
Pearl (Biogenic Mineraloid)
Calcium carbonate (CaCO3) primarily as Aragonite
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral