Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
mineral
Category
Mineral (Evaporite)
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Learn about Mineral (Evaporite) in the encyclopedia
View all →
Granitic Gneiss
Gneiss (Metamorphic rock of granitic composition)
metamorphic
Gneiss
Gneiss (Metamorphic rock)
metamorphic
Granite
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
igneous
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Sandstone with Manganese Dendrites
Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)
sedimentary
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)
mineral
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Dendrite (Manganese Oxide Dendrites)
Psilomelane or Pyrolusite on Matrix (typically MnO2)
mineral
Desert Rose
Gypsum (variety Selenite) or Barite: CaSO4 · 2H2O
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
igneous
Yellow Ochre / Limonite
Hydrated ferric oxide (FeO(OH)·nH2O)
mineral
Desert Rose
Gypsum (variety Selenite) - CaSO4·2H2O
mineral
Banded Gneiss
Gneiss (typically quartz, feldspar, mica, amphibole composition)
metamorphic
Garden Quartz (Lodalite)
Silicon Dioxide with various mineral inclusions (SiO2)
mineral
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Morganite and Aquamarine (Beryl) Bracelet
Beryllium aluminum silicate, Be3Al2(SiO3)6
gemstone
Bicolor Quartz Tumble
Silicon Dioxide (SiO2)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Mixed Gemstone and Mineral Collection
Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)
mineral
Gneiss (foliated metamorphic rock)
Gneiss
metamorphic
Schist
Schist (various mineral compositions)
Metamorphic
Granite Gneiss
Gneiss (high-grade metamorphic rock)
metamorphic
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Banded Sandstone (River Cobble)
Arenite Sandstone with heavy mineral layering
sedimentary
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
sedimentary
Gabbro (Water-Worn Pebble)
Gabbro (Plagioclase Feldspar and Pyroxene)
igneous
Magnetite
Magnetite (Fe3O4)
mineral
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Granite
Phaneritic Felsic Igneous Rock
igneous
Gneiss (Cobble)
Gneiss
metamorphic
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
mineral