Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse igneous and mineral specimens identified by the Rock Identifier community.
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Copper Ore
Mixed copper sulfides/oxides in gangue matrix
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
Magnetite
Magnetite (Fe3O4)
Clear Quartz
SiO2 (Silicon Dioxide)
Granite
Felsic intrusive igneous rock
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
Pegmatite
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Labradorite
(Ca,Na)(Al,Si)4O8
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Granite
Intrusive Igneous Rock
Black Beauty Meteorite
NWA 7034 (Northwest Africa 7034)
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂)
Pegmatite (Quartz and Feldspar with Dark Minerals)
Igneous Pegmatite
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Small quartz-rich mineral fragment
Quartz (SiO₂), possibly milky or chalcedonic quartz
Granite
Intrusive Igneous Rock
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Granite
Intrusive Igneous Rock
Milky quartz
Quartz (silicon dioxide, SiO₂)
Polished gray stone, likely labradorite or gneiss
Indeterminate from image; possibly plagioclase-rich gneiss or labradorite-bearing rock
Magnetite
Magnetite (Fe3O4)
Crushed Granite and Basalt
Phaneritic Igneous Rock / Aphanitic Igneous Rock
Granite Pebble
Intrusive Igneous Rock
Granite
Intrusive igneous rock
Blue-gray mineral specimen (possibly sodalite)
Undetermined; appearance may be consistent with sodalite (Na₈Al₆Si₆O₂₄Cl₂), but the image is insufficient for reliable identification
Granite
Granite
Magnetite
Magnetite (Fe3O4)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Granite
Intrusive Igneous Rock (Felsic)
Granite
Intrusive igneous rock
Granite
Intrusive Igneous Rock
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
Rose Quartz
Silicon dioxide (SiO2)
Magnetite / Ironstone
Magnetite (Fe3O4)
Milky Quartz
Silicon Dioxide (SiO2)
Pegmatite (Quartz with Tourmaline/Biotite inclusions)
Igneous Pegmatite
Granite
Intrusive Igneous Rock