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  1. Mineral Properties, Photos, Uses and Descriptions

    Photos and information about 80 common rock-forming, ore and gemstone minerals from around the world.

  2. What are Minerals? | What are Mineral Properties? - Geology.com

    There are approximately 4000 different minerals, and each of those minerals has a unique set of physical properties. These include: color, streak, hardness, luster, diaphaneity, specific gravity, …

  3. Mohs Hardness Scale: Testing the Resistance to Being Scratched

    A list of minerals in order of hardness can be a handy reference. If you determine that a specimen has a hardness of Mohs 4, you can quickly get a list of potential minerals.

  4. Geology and Earth Science News, Articles, Photos, Maps and More

    Minerals - Descriptions, photos, articles, properties and uses for common minerals.

  5. Quartz Mineral | Photos, Uses, Properties, Pictures

    The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in the …

  6. Calcite Mineral | Uses and Properties - Geology.com

    The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in the …

  7. Garnet: Mineral, January birthstone, abrasive, filter media

    The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in the …

  8. Pyrite Mineral | Uses and Properties - Geology.com

    The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in the …

  9. REE - Rare Earth Elements - Metals, Minerals, Mining, Uses

    Home » Metals » REE - Rare Earth Elements REE - Rare Earth Elements and their Uses The demand for rare earth elements has grown rapidly, but their occurrence in minable deposits is limited. Article …

  10. Gemstones: Facts, photos, and information for over 100 gems.

    Serpentine - a group of metamorphic minerals used as gems and architectural stone.