Milky Quartz (Druzy Geode fragment)
Silicon Dioxide (SiO2)
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Milky Quartz (Druzy Geode fragment)
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Limonite Pseudo-morph after Pyrite)
Iron sulfide (FeS2) transitioning to Iron oxide-hydroxide (FeO(OH)·nH2O)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz / Quartz Geode Fragment
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Common variant)
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
Magnetite / Ironstone
Magnetite (Fe3O4)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
Pyrite in Matrix (Quartz/Schist)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Multi-gemstone Quartz and Fluorite Bracelet
Silicon Dioxide (SiO2) and Calcium Fluoride (CaF2)
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
Gold
Native Gold (Au)
Quartz
Silicon Dioxide (SiO₂)
Apatite
Fluorapatite (Ca5(PO4)3F)
Milky Quartz
Silicon Dioxide (SiO2)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Milky Quartz (or Vein Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)