Larimar
Pectolite [NaCa2Si3O8(OH)] with copper substitution
Category
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Larimar
Pectolite [NaCa2Si3O8(OH)] with copper substitution
Sunstone
Plagioclase Feldspar (Na, Ca)(Al, Si)4O8 with Hematite or Copper inclusions
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
Quartz Pebble
Silicon Dioxide (SiO2)
Rough Amethyst Quartz
Silicon Dioxide with Iron impurities (SiO2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Chrysocolla (with Quartz and Azurite)
Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Cuprite
Cuprite (Copper(I) oxide, Cu2O)
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen)
Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.
Turquoise and Red Coral
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)
Labradorite (Feldspar)
Labradorite, (Ca,Na)(Al,Si)4O8
Sandstone (specifically Picture Sandstone or Wonderstone)
Arenite (composed primarily of SiO2)
Limonite Concretion (Ironstone)
Limonite / Goethite (FeO(OH)·nH2O)
Yellow Jasper
Silicon Dioxide (SiO2) with high iron inclusion
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Botryoidal Hematite (Iron Stone Conglomerate)
Hematite (Fe2O3) in sedimentary matrix
Schist
N/A (a rock type, not a mineral formula)
Dalmatian Stone
Dalmatian Jasper / Feldspathic Igneous Rock
Amazonite with Smoky Quartz and Feldspar
Microcline (KAlSi3O8) with Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Quartz (Silicon Dioxide - SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities and natural radiation influence)
Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Raw Citrine (Yellow Quartz)
Citrine / Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Botryoidal Chalcedony Geode
Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Fluorite
Calcium Fluoride (CaF2)
Orange Calcite
Calcium Carbonate (CaCO3)
Ocean Jasper
Spherulitic Chalcedony (SiO2)