Likely raw rose quartz or pink feldspar fragment
Quartz (SiO₂), possibly pink feldspar such as orthoclase
mineral
Category
Igneous And Mineral
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Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Granite
Intrusive Igneous Rock
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Black Obsidian
Volcanic Glass
igneous
Hematite
Iron(III) oxide (Fe2O3)
mineral
Green Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Felsic intrusive igneous rock
igneous
Tumbled blue-gray stone, likely labradorite or sodalite
Possibly labradorite (plagioclase feldspar, approximately NaAlSi₃O₈–CaAl₂Si₂O₈) or sodalite (Na₈(Al₆Si₆O₂₄)Cl₂)
mineral
Magnetite / Ironstone
Iron(II,III) oxide (Fe3O4)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Biotite
K(Mg,Fe)_3AlSi_3O_10(OH,F)_2
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar-Quartz Rock (likely Pegmatite or Granite)
Feldspar-Quartz composite rock (KAlSi3O8 - SiO2)
igneous
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Granite with Biotite and Iron Oxide
Intrusive Igneous Rock
igneous
Dark-colored Igneous Rock (likely Basalt or Diabase)
Basalt (extrusive igneous) or Diabase (intrusive igneous)
Igneous Rock
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Pegmatite
Igneous Pegmatite
igneous
Granite
Felsic intrusive igneous rock
igneous
Rounded granite pebble
Granite; chiefly quartz, feldspar, and mica
igneous
Granite
Felsic intrusive igneous rock
igneous
Blue Apatite
Calcium Fluorophosphate - Ca5(PO4)3F
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Leopardite
Quartz porphyry with manganese oxide spots
igneous
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
mineral
Granite
Granite, composed chiefly of quartz, feldspar, and mica
igneous