Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Sapphire
Corundum (Al2O3)
mineral
Granite
Felsic intrusive igneous rock
igneous
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)
mineral
Gneiss
Gneiss
metamorphic
Black Obsidian
Volcanic Glass (Amorphous SiO2 with trace impurities)
igneous
Strawberry Quartz (Quartz with Hematite inclusions)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
mineral
Granite
Felsic intrusive igneous rock
igneous
White tumbled stone, likely quartz or calcite
Indeterminate; possibly quartz (SiO₂) or calcite (CaCO₃)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic silicate with secondary mineral inclusions)
Igneous
Basalt with Secondary Mineralization (Likely Zeolites or Calcite)
Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)
igneous
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Blue Apatite
Fluorapatite / Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Porphyry
Porphyritic Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Hematite
Iron(III) oxide (Fe2O3)
mineral
Epidote with Quartz/Feldspar
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock
Mineral/Metamorphic rock
Granite
Felsic intrusive igneous rock
igneous
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Syenite
Syenite (Phaneritic Igneous Rock)
igneous
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Diorite river stone
Intermediate Plutonic Igneous Rock (Diorite)
igneous
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Pegmatite (Quartz, Feldspar, and Tourmaline/Biotite)
Pegmatitic Igneous Rock
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Purple Dyed Dalmatian Stone
Dyed Peralkaline Trachyte
igneous
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Dalmation Stone
Dalmation Jasper (Igneous microcrystalline quartz with arfvedsonite)
igneous
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
mineral
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic intrusive igneous rock)
igneous
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 (Feldspar group)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral