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| amphibole |
any of a number of hydrous silicate minerals, such as hornblende, that mostly comprise various combinations of magnesium, calcium, sodium, iron, and aluminum. |
| beryl |
a crystalline mineral, aluminum beryllium silicate, from which beryllium and certain gemstones such as emeralds are derived. |
| chlorite1 |
a green silicate mineral that occurs in platelike crystals. |
| garnet |
any of several fairly common, hard silicate minerals that occur in various colors and are sometimes used as abrasives and gems. [1/2 definitions] |
| olivine |
a common mineral silicate of magnesium and iron, found in gray-green crystalline masses in igneous and metamorphic rock, and used esp. as a structural material in bricks for lining furnaces. |
| saponite |
a hydrous silicate of aluminum and magnesium that is found as a soft, soapy filling in cavities of certain rocks. |
| sapphirine |
a silicate of magnesium and aluminum having a bluish green color. [1/3 definitions] |
| tourmaline |
a complex silicate mineral containing several elements, most importantly boron and aluminum, used in electronic instruments and, in its colorful and transparent varieties, as a gemstone. |
| tremolite |
a silicate mineral with a color ranging from white to greenish gray. |
| water glass |
sodium or potassium silicate, usu. dissolved in water to form an adhesive, a preservative for eggs, or a protective coating. [1/4 definitions] |
| white lead |
a white poisonous compound of basic lead carbonate, lead silicate, or lead sulfate, used as an exterior paint pigment. |
| zeolite |
a similar silicate that is used to soften water. [1/2 definitions] |
| zirconium |
a chemical element that has forty protons in each nucleus and that is found principally in zircon, a crystalline silicate compound, but that can be isolated as a solid metal that is used extensively in nuclear reactors because it allows neutrons to pass through without significant resistance. (symbol: Zr) |
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