Home » Minerals
Mineral Properties, Photos, Uses and Descriptions
Abandoned Mine Accidents kill several people every year. Education can prevent deaths.
Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Nice kits for personal or classroom use.
Topaz is a mineral best known as a durable gemstone and its use in Mohs Hardness Scale.
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Quartz is the most abundant mineral in the crust. It has many useful properties.
Calcite is a carbonate mineral with industrial, agricultural, medical and many other uses.
Diamonds from Coal?
Diamonds Do Not Form From Coal That is one of the biggest misconceptions in science.
Variscite is a yellowish green to bluish green mineral. It is similar to turquoise and cut as a gem.
Geodes look like ordinary rocks on the outside but can be spectacular inside!
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
What Are Minerals?
Minerals are the building blocks of our society. We use items made with them every day.
Diopside - Gem material, ornamental stone, diamond indicator, industrial mineral.
Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Diamond: The Mineral
Diamond is a mineral with unique properties and many gem and industrial uses!
Rhodochrosite : a manganese mineral used as an ore, a pink gem and an ornamental stone.
Benitoite - discovery of the State Gem of California - USGS report from 1911.
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Don*t Go To Jail
Mineral collectors must know the rules for removing specimens from public and private property.
Uses of Gold
Gold has unique properties that make it one of the most useful minerals.
Is Water a Mineral?
Are Water and Ice Minerals? Comparing their properties with the definition of a mineral.
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Tucson Mineral Show
Tucson Gem & Mineral Show Photos from the largest gem and mineral show.
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
The Streak Test is a method to determine the color of a mineral in powdered form.
Tourmaline - the most colorful mineral and natural gem material on Earth.
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Spodumene is a pegmatite mineral, an ore of lithium and sometimes a gemstone.
The Acid Test
The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals.
Chalcopyrite - The most important ore of copper for over five thousand years.
Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
Hematite - the most important source of iron ore and mineral pigment since prehistory.
Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
Rare Earth Elements
Rare Earth Elements are used in cell phones, DVDs, batteries, magnets & many other products.
Uses of Talc
Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Minerals in Colored Glass - Minerals are what produce the color in colored glass.
Fireworks & Minerals
The Science of Fireworks Learn how the colors and shapes are created.
Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
Serpentine - metamorphic rocks used in construction, architecture and lapidary work.
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Gold Panning Kits
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for gold!
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Denver Mineral Show
Denver Gem and Mineral Show - Photos and comments about this incredible show.
Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
Uses of Silver
Uses of Silver Most people think of jewelry and coins, but silver\'s primary use is industrial.
How Do Snowflakes Form? They start as tiny crystals. Some grow on the way down.
Limonite - an amorphous iron oxide. An ore of iron and a pigment since prehistory.
Triboluminescence is flash produced when a mineral is rubbed, scratched or broken.
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.