Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Category
Mineral (Pseudomorph)
Browse mineral (pseudomorph) specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Quartz (SiO2)
gemstone
Yellow Topaz
Topaz - Al2SiO4(F,OH)2
gemstone
Aquamarine (Beryl)
Beryllium Aluminum Silicate - Be3Al2Si6O18
gemstone
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Chalcedony (Agate) Pebble
Silicon Dioxide (SiO2)
mineral
Quartz with Feldspar and Mica (Pegmatite Fragment)
Granitic Pegmatite
igneous
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Chalcopyrite on Quartz
CuFeS2 (Chalcopyrite) with SiO2 (Quartz)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Fossil Coral (Rugose Coral / Horn Coral fragment)
Rugosa (Tetracoralla) / Calcite (CaCO3)
fossil
Hematoid Quartz (Fire Quartz)
Silicon Dioxide with Iron Oxide (SiO2 with Fe2O3)
mineral
Scolecite
Scolecite (CaAl2Si3O10·3H2O)
mineral
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz / Quartz Crystal)
Silicon Dioxide (SiO2)
mineral
Amazonite (Microcline Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Red Jasper Pebble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Quartz (Smoky/Rose Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Lemon Quartz (or Yellow Calcite)
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)
mineral
Raw Topaz (or Smoky Quartz)
Al2SiO4(F,OH)2 / Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Himalayan Salt Lamp
Halite (NaCl) with trace impurities
mineral
Septarian Nodule (Dragon Stone)
Septarian Concretion (CaCO3 + MgCO3 + Clay)
sedimentary
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
gemstone
Imperial Topaz
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
mineral
Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)
mineral
Tektite (Indochinite)
Tektite (Terrestrial Impact Glass)
meteorite
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Epidote
Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
mineral
Rose Quartz
SiO2 (Silicon Dioxide)
gemstone