Moonstone
Orthoclase (KAlSi3O8)
Category
Browse igneous and metamorphic specimens identified by the Rock Identifier community.
Moonstone
Orthoclase (KAlSi3O8)
Quartz
Silicon Dioxide (SiO2)
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Sapphire
Corundum (Al2O3)
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartzite with Mica / Gneiss Pebble
Metamorphic Rock (Quartz-Feldspar-Mica aggregate)
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Aventurine (Green Quartz)
Silicon dioxide with inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Magnetite (Lodestone)
Magnetite (Fe3O4)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Quartz with Host Rock Matrix
Silicon Dioxide (SiO2)
Lapis Lazuli
Lapis Lazuli (Rock composed mainly of lazurite, calcite, and pyrite)
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Garnet
Almandine-Pyrope group, X3Y2(SiO4)3
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Green Aventurine
SiO2
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)