Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Category
Anthropogenic Specimen (Man Made)
Browse anthropogenic specimen (man made) specimens identified by the Rock Identifier community.
Moss Agate
Chalcedony (Silicon Dioxide - SiO2) with inclusions
Mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Chrysocolla on Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Amazonite
Potassium Feldspar (KAlSi3O8) with lead impurities
mineral
Red Aventurine (Strawberry Quartz)
Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite
Mineral
Chrysocolla
Hydrated copper silicates (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Carnelian (Red Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide impurities)
mineral
Leopard Skin Jasper
Jasper (Silicon Dioxide with impurities), SiO2
sedimentary
Oolite or Oolitic Limestone
Oolitic Limestone (Principal mineral: Calcite, CaCO3)
sedimentary
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Carnelian
Carnelian (SiO2)
mineral
Tree Agate (Dendritic Agate/Quartz)
Silicon Dioxide (SiO2) with trace Manganese or Iron oxide inclusions
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Chalcedony (likely dyed)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Quartz (Rose or Clear variety)
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz inclusions
Silicon Dioxide (SiO2)
sedimentary
Moonstone
Orthoclase (Potassium aluminum silicate - KAlSi3O8)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
igneous
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Carnelian Agate (with Quartz/Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Rose Quartz
Silicon dioxide (SiO2) with trace titanium, manganese, or iron
mineral
Sandstone
Arenite (SiO2 principal component)
sedimentary
Goniatite Fossil
Goniatitida (Order), fossilized in limestone/calcite (CaCO3)
sedimentary
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz with Mica (Gneiss/Schist influence)
Silicon Dioxide (SiO2) with Phyllosilicates
igneous/metamorphic
Dendritic Jasper (Bumblebee like Agate)
Silicon Dioxide with inclusions (SiO2)
sedimentary
Clear Quartz
Silicon dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Yellow Quartzite (River Stone)
Quartzite (primarily SiO2)
metamorphic
Basalt
Africite (Mafic Igneous Rock)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Red Quartzite / Ferruginous Sandstone
Quartzite (SiO2 with iron oxide impurities)
metamorphic
Labradorite (Polished Crystal Point)
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
mineral
Ferruginous Sandstone (with possible Epidote/Chlorite coloring)
Sandstone (SiO2 dominated with Fe2O3 staining)
sedimentary
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic