Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst (Raw)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
Yellow Quartz (Citrine type/Tumbled Quartz)
Silicon Dioxide (SiO2)
Iron Ore (Magnetite-Hematite)
Magnetite (Fe3O4) and Hematite (Fe2O3)
Green Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Biotite Mica in Host Rock
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Auriferous Quartz with Pyrite
Gold-bearing Quartz (SiO2 + FeS2 + Au)
Moonstone
Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)
Feldspar (Orthoclase)
Potassium Alveolar Silicate (KAlSi3O8)
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
Greenstone
Metamorphosed Mafic Igneous Rock
Turquoise (beads)
Turquoise; CuAl6(PO4)4(OH)8·4H2O
Red Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with Hematite impurities
Slate with Red Sandstone Landscaping Rock
Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Beaded Jewelry (Assorted Gemstones)
Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Green Quartzite
Quartzite (SiO2)
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Amethyst
Silicon Dioxide with Iron Impurities (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble (Grit)
Silicon Dioxide (SiO2)
Banded Agate (specifically Eye Agate / Chalcedony)
Agate (Cryptocrystalline variety of Quartz, SiO2)
Quartz Crystal (Amethyst)
Silicon Dioxide (SiO2)
Bull Quartz (White Quartz)
Silicon Dioxide (SiO2)
Laterite
Laterite (primarily composed of hydrated oxides of iron and aluminum)
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Veined Quartz
SiO2 (Silicon Dioxide)
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
Citrine Quartz
Silicon Dioxide (SiO2) with trace Iron impurities