Nuummite
Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2
metamorphic
Category
Igneous And Sedimentary Mixture
Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.
Amber
Succinite (specifically for Baltic amber); Complex mixture of organic compounds (C10H16O)
Organic Mineraloid
Lapis Lazuli
Complex mixture of minerals (lazurite, calcite, pyrite, and sodalite); (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Azurite-Malachite (often a mixed specimen)
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2(CO3)(OH)2. The specimen appears to be a natural mixture or intergrowth of these two minerals.
Mineral
Sapphire
Corundum (Al2O3)
mineral
Granite
Granite
Igneous
Granite
Granite
Igneous
Yellow Sapphire or Citrine
Al2O3 (Corundum) or SiO2 (Quartz)
mineral
Basalt
Mafic Igneous Rock
igneous
Vesicular Basalt
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
mineral
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Biotite or Phlogopite Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Basalt
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Basalt
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Basalt with Iron Oxidation
Mafic Igneous Basalt
igneous
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Spessartine Garnet
Manganese aluminum silicate (Mn2+3Al2(SiO4)3)
mineral
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
mineral
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Porphyritic Rhyolite (Birdseye Rhyolite)
Rhyolite (Porphyritic texture)
igneous
Basalt with Iron Oxides
Mafic Igneous Rock (Mafite)
igneous
Basalt
Mafic Igneous Basalt
igneous
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
mineral
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Rose Quartz
Silicon dioxide (SiO2) with trace titanium, manganese, or iron
mineral
Granite Pebble
Igneous Intrusive Rock (Quartz-Feldspar-Mica Phenocrysts)
igneous
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
igneous
Granite
Plutonic Igneous Rock (composed typically of SiO2, Al2O3, K2O, Na2O, CaO)
igneous
Basalt
Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)
Igneous