Basalt with Plagioclase Phenocrysts
Porphyritic Basalt (primarily SiO2, MgO, FeO, and CaO)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt (primarily SiO2, MgO, FeO, and CaO)
Porphyritic Basalt
Amygdaloidal Porphyritic Basalt
Granitoid (Granite/Diorite)
Course-grained Plutonic Igneous Rock
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Mexican Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
Turquoise (possible Dyed Howlite or Magnesite imitation)
CuAl6(PO4)4(OH)8·4H2O (Turquoise)
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
Stichtite (often found in Serpentinite)
Stichtite Mg6Cr2CO3(OH)16·4H2O
Almandine Garnet
Almandine (Fe3Al2Si3O12)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
Black Tourmaline (Schorl)
NaFe3Al6(BO3)3Si6O18(OH)4
Milky Quartz
Silicon Dioxide (SiO₂)
Banded Agate (Polished Slice)
Chalcedony (cryptocrystalline Quartz), SiO2
Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Rose Quartz
Crystalline Silicon Dioxide with trace Titanium/Manganese/Iron (SiO2)
Bornite
Bornite (Cu5FeS4)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Limestone
Calcium Carbonate (CaCO3)
Red Shale
Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Celestite (Celestine) Cluster
Strontium sulfate (SrSO4)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky Quartz pebble)
Silicon Dioxide (SiO2)
Satin Spar (Gypsum variety)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz Mushroom)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Quartz (Riverstone / Cobble)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Microcrystalline/Macro crystalline variety)
Silicon Dioxide (SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Rose or Milky variety fragment)
Silicon Dioxide (SiO2)