Gemstone Mineral
Welcome to the website of john e. Gemstones a z filter by alphabet.
The mineral and gemstone kingdom is a free informational and educational guide to rocks minerals gemstones and jewelry.
Gemstone mineral. But the concept of a gemstone is based on human value judgements. A gemstone is usually defined as a highly attractive and valuable piece of cut and polished mineral that is used in jewelry or other decorations. With over 30 years in the gem and mineral industry we feel we are well qualified to serve you in your business and hobbyist needs alike.
Emeralds are formed of a mineral called beryl whose chemical formula is a complex mix of beryllium aluminum silicon and oxygen. Jewellery jewelry an adornment as a bracelet or ring or necklace made of precious metals and set with gems or imitation gems cabochon a highly polished gem that is cut convexly but without facets crystal a solid formed by the solidification of a chemical and having a highly regular atomic structure opaque gem a gemstone that is opaque. The color comes from additional traces of chromium and vanadium.
Fine australian mineral specimens are our speciality with an extensive range of new and old finds from important australian mines and world minerals sourced from our extensive range of woldwide contacts. This site has been providing detailed information and photos of hundreds of mineral and gemstone since 1997 and is one of the leading education resources on minerals and gemstones. Of the more than 2 000 identified natural minerals fewer than 100 are used as gemstones and only 16 have achieved importance.
Gemstones have their own science as well called gemology which is a branch of mineralogy. However certain rocks such as lapis lazuli and opal and occasionally organic materials that are not minerals such as amber jet and pearl are also used for jewelry and are therefore often. Welcome to the gemstone section a free informational reference guide to gemstones jewelry and precious metals.
The mineral and gemstone kingdom. Our quality gemstones and range of 18ct gold and silver jewellery is handmade in our workshop. These are beryl chrysoberyl corundum diamond feldspar garnet jade lazurite olivine opal quartz spinel topaz tourmaline turquoise and zircon.
Our goal is to achieve 100 customer satisfaction by offering the best selection of natural rough cut gem material and mineral specimens available in today s market. Gems and handmade silver jewellery since 1985. Serpentine a group of metamorphic minerals used as gems and architectural stone.
Garsow gems minerals. A gemstone also called a gem fine gem jewel precious stone or semi precious stone is a piece of mineral crystal which in cut and polished form is used to make jewelry or other adornments.
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