Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Category
Igneous, Sedimentary, Metamorphic, Mineral
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Sunstone and Garnet
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8) and Almandine Garnet (Fe3Al2(SiO4)3)
gemstone
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
mineral
Gneiss
High-grade regional metamorphic Gneiss
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Pegmatite
Igneous Pegmatite
igneous
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Greenstone
Metabasalt (Greenstone)
metamorphic
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
gemstone
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
mineral
Quartz
Quartz (SiO₂)
Mineral
Quartz with Mica
Silicon Dioxide (SiO2) with Mica group inclusions
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Moonstone (Tumbled)
Orthoclase (Potassium Feldspar) - (K,Na)AlSi3O8
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Sunstone
Feldspar (Oligoclase)
mineral
Native Gold
Native Gold (Au)
mineral
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Chalcopyrite and Pyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
mineral
Rainbow Moonstone with Black Tourmaline
White Labradorite with Schorl (Na,Ca)(Al,Si)4O8
mineral
Feldspar (specifically Orthoclase)
Potassium aluminum silicate (KAlSi3O8)
mineral
Microcline (Potassium Feldspar)
Microcline (KAlSi3O8)
mineral
Sapphire
Corundum (Al2O3)
mineral
River Stone / Pebble
Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)
Mineral, Sediment
Tumbled Rose Quartz
Quartz (Silicon Dioxide, SiO2 with trace amounts of titanium, iron, or manganese)
mineral
Dragon Blood Jasper
Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))
metamorphic
Lapis Lazuli
(Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)
metamorphic
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Greenstone / Greenschist
Greenschist (composed of Chlorite, Epidote, Actinolite)
metamorphic
Red Garnet (Pyrope or Almandine)
Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz pebble (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Green Quartz / Prasiolite
Silicon Dioxide (SiO2)
mineral
Citrine or Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral