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Bookmark or Share- The Mineral and Gemstone Kingdom: HomeMinerals.net is a free educational guide to hundreds of minerals and gemstones with photos and detailed information. It also has an interactive reference guide to help you identify rocks, minerals, and gemstones.
- What Is a Mineral? Definition and Examples - Science Notes and ProjectsLearn the definition of a mineral as a natural inorganic solid with a defined chemical composition and crystal structure. Explore the properties, types, and examples of minerals and how to identify them.
- Mineral - WikipediaA mineral is a solid substance with a well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. Learn about the criteria, examples, and types of minerals, as well as their physical and chemical properties, from the International Mineralogical Association.
- Learn About Mirena® for Birth Control | Mirena® IUDMirena is a hormone-releasing IUD that prevents pregnancy for up to 8 years and treats heavy periods for up to 5 years. Learn about Mirena's benefits, risks, cost, and user experiences.
- Mirena (IUD) Uses, Side Effects & Safety Info - Drugs.comMirena is a T-shaped device that releases levonorgestrel, a hormone, into the uterus to prevent pregnancy for up to 8 years. It can also treat heavy menstrual bleeding for up to 5 years. Learn about the risks, benefits, and how to use Mirena safely.
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