Amber (Cherry or Red variety)
Succinite (with various trace amounts of organic compounds)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Amber (Cherry or Red variety)
Succinite (with various trace amounts of organic compounds)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Quartz (Float/Abraded)
Quartz (SiO₂)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Limonite (with goethite)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
Sandstone
Arenicola (comprising mostly Quartz, SiO2)
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Pearl
Calcium carbonate (CaCO3) - mainly Aragonite with Conchiolin
Gold Nugget
Native Gold (Au)
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Fossiliferous Limestone
CaCO3 (principally Calcite or Aragonite)
Sandstone
Sandstone (arenite is a more specific geological term for a clean sandstone, while wacke refers to a dirty sandstone with significant matrix)
Orange Calcite
Calcite (CaCO3)
Fluorite
Calcium fluoride (CaF2)
Fossilized Coral (Petoskey Stone or Rugose Coral)
Antophyllum (Hexagonaria) or Scleractinia (CaCO3)
Sandstone (Pebble/Conglomerate fragment)
Sandstone (clastic sedimentary rock)
Granite
Plutonic felsic igneous rock
Tufa (Vesicular Limestone)
Tufa (form of Calcium Carbonate, CaCO3)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Peacock Ore
Bornite (Cu5FeS4)
Gold Nugget
Native Gold (Au)
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
Calcite
Calcite (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Lazulite
Lazulite (Mg,Fe2+)Al2(PO4)2(OH)2
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
Pebble (likely a type of sandstone or quartzite pebble)
Clastic Sediment (specifically, a rudite-sized clast). If the pebble is composed of a specific rock type, its scientific name would be that rock type (e.g., 'Quartzite pebble', 'Granite pebble', 'Chert pebble'). Given its appearance, it is likely a metamorphic quartzite pebble or a hard sandstone pebble.
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
Quartz (Crystal Point/Fragment)
Silicon Dioxide (SiO2)
Rough Quartz (likely Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Fluorite
Calcium Fluoride (CaF2)
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Fluorite
Calcium Fluoride (CaF2)
Hematite (Iron Ore)
Hematite (Fe2O3)
Greywacke (likely)
Greywacke (a type of sandstone)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rainbow Fluorite
Calcium Fluoride (CaF2)
Fluorite
Fluorite (Calcium Fluoride - CaF2)
Limonite
Limonite (FeOO·nH2O)