Explore our video gallery
Beautiful rocks / minerals
Geoscopy articles archive
Glossary archive A-Z
January 7, 2026
May 17, 2024
Sort by
April 24, 2024
Biotite is a dark mica mineral used in insulation and geological studies.
Quartz, a silicon dioxide mineral, is used in jewelry and electronics.
Muscovite, a mica mineral, is used in insulation, fireproofing, and cosmetics.
Beryl is a gemstone mineral, including emerald and aquamarine, and a source of beryllium.
Kernite is a boron-rich mineral used in glassmaking, detergents, and ceramics.
Apatite is a calcium phosphate mineral found in various colors, primarily used in fertilizers.
Gneiss is a durable, banded metamorphic rock used in construction and decoration.
Bauxite is the main aluminum ore, primarily found in Australia.
Coal, mainly carbon, is used for energy and steel production.
Rhyolite, a silica-rich volcanic rock, is used in construction and research.
Olivine, a magnesium iron silicate, is used in gemstones (peridot) and refractory materials.
Talc, the softest mineral, is used in baby powder, cosmetics, ceramics, and plastics.
Pyroxene, a silicate mineral group found in igneous and metamorphic rocks.
Scheelite, a calcium tungstate, is the main source of tungsten for tools and alloys.
Adamite is a rare, colorful orthorhombic mineral prized by collectors for its vibrant crystals.
Calcite is a trigonal calcium carbonate mineral used mainly in construction for making cement.
Monazite, a group of rare earth minerals, is a key source of rare earth elements.
Feldspar is an aluminum silicate used in ceramics, glass, and construction.
Dolomite is a calcium magnesium carbonate used in construction and agriculture.
Wulfenite is a bright orange or yellow mineral, prized by collectors.
Amphibole is a diverse mineral group used for geological indicators and as insulation.
Tourmaline is a colorful boron silicate mineral used as a gemstone and in electronics.
Quartzite, a durable metamorphic rock made of quartz, is used in construction and countertops.
Limestone, mainly calcium carbonate, is used in construction, cement, and water treatment.
Chlorite, a green phyllosilicate mineral, is used as a geological indicator and industrial filler.
Hematite is an iron oxide mineral used for iron ore, pigments, and radiation shielding.
Magnetite, an iron oxide with magnetic properties, is used in steel production and catalysts.
Descloizite is a lead-zinc vanadate mineral, mainly found in Namibia and Mexico.
Barite is a barium sulfate mineral used in drilling, shielding, and paints.
Pyrite, or “Fool’s Gold,” is used for sulfur and iron production.
Granite is a durable igneous rock used in construction, monuments, and countertops.
Gypsum, a soft calcium sulfate mineral, is primarily used as plaster or in cement production.
Borax is a sodium borate used in cleaning and glassmaking.
Marble, a calcium carbonate metamorphic rock, is used in sculpture, architecture, and countertops.
Zircon is a durable mineral used in jewelry, geological dating, and ceramics.
Diorite is a tough igneous rock used in construction, art, and in research.
Fluorite, a colorful calcium fluoride, is used as flux in steelmaking, glass, and as gemstones.
Shale, a fine-grained sedimentary rock, is used for natural gas, cement, and research.
Sandstone, composed of quartz and feldspar, is used in construction, paving, landscaping, and glassmaking.
Schist, a layered metamorphic rock rich in mica and quartz, is often used in construction.
Vanadinite is a bright red mineral, primarily sourced from lead deposits.
Basalt is a dark, fine-grained igneous rock used in construction, monuments, and geological studies.
Scorodite, a hydrated iron arsenate, is valued for arsenic containment and as a collector’s mineral.
Mica is a group of silicate minerals with varying compositions mainly in insulation and electronics.
Galena is the main ore of lead and silver, used in batteries and shielding.
Halite, or rock salt, is a sodium chloride mineral used for seasoning, de-icing, and industry.
Garnet is a group of silicate minerals used as gemstones and abrasives.
