Fluorite on Host Rock
Calcium Fluoride (CaF2)
mineral
Category
Igneous Or Mineral
Browse igneous or mineral specimens identified by the Rock Identifier community.
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Pyrite
Iron Pyrite (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
K-Feldspar Granite Fragment
Granite (Alkali Feldspar-rich)
igneous
Fluorite
Calcium fluoride (CaF2)
mineral
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Mineral/Mineraloid within a rock matrix
Quartz with inclusions
SiO2
mineral
Granite
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock (Felsic)
igneous
Graphite
Graphite (Carbon, C)
mineral
Graphite
Carbon (C)
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Granite
Intrusive Igneous Rock
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz with Feldspar Veining
Silica (SiO2) with Potassium Feldspar (KAlSi3O8) inclusions
mineral
Mica (Muscovite or Biotite)
Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)
mineral
Magnetite
Fe3O4 (Iron(II,III) oxide)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Biotite Mica Schist
Metamorphic Rock containing Biotite K(Mg,Fe)3AlSi3O10(OH)2
metamorphic
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Graphite
Graphite (Carbon, C)
mineral
Feldspar
Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)
mineral
Porphyry
Porphyritic Igneous Rock
igneous
Amygdaloidal Basalt
Vesicular-Amygdaloidal Basalt (Mafic Extrusive)
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz (Milky/Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
SiO₂ (Silicon Dioxide)
Mineral
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Granite Pebble
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Quartz Heart or Arrowhead Shape
Silicon Dioxide (SiO2)
mineral
Granite / Feldspar gravel
Granite (felsic intrusive igneous rock)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Dalmatian Jasper
Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)
igneous
Quartz pebble
Silicon dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Granite
Granite
igneous