Gemewizard software tool for jeweler, gem dealer, diamond dealer and appraiser. Handling gems and diamonds and powerful, color communication tool, giving you access ...
Earth is now generally accepted as billion years old, but here are 101 evidences for a much younger age of the earth and the cosmos.
The company is the major producer of zircon globally and a large producer of the highgrade titanium dioxide products of rutile and synthetic rutile, with operations ...
Monazite Mining. All monazite mining is focused on placer deposits because they are easier to mine and the monazite is often present in higher concentrations than in ...
October 8: Morogoro. In East Africa, a visit to a mining area typically involves first visiting the local authorities to obtain permission to visit the sites.
Tourmaline ( / ˈ t ʊər m ə l iː n / TOORməleen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium ...
October 8: Morogoro. In East Africa, a visit to a mining area typically involves first visiting the local authorities to obtain permission to visit the sites.
Imerys Talc is the world''s leading talc producer. Imerys talcs impart benefits to paper, plastics, paint, rubber, cosmetics, ceramics, pharmaceuticals, animal feed ...
D and J Rare Gems Colorado dealer of fine cut and rare gems.
Detailed gem and jewelry information guide about the blue beryl gemstone aquamarine.
Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be 3 Al 2 (SiO 3) 6. Wellknown varieties of beryl include emerald and ...
Offers a firsthand look at Sri Lanka''s mining, cutting, jewelry manufacturing, and retail sectors, where tradition and innovation converge.
The company is the major producer of zircon globally and a large producer of the highgrade titanium dioxide products of rutile and synthetic rutile, with operations ...
Zircon Mining. Zircon has been mined from stream gravels for over 2000 years. This early mining of zircon was mainly to obtain nice crystals for use as gemstones.
A guide describing frequently encountered gem treatment processes, their detection, and special care tips for treated gems.
Monazite Mining. All monazite mining is focused on placer deposits because they are easier to mine and the monazite is often present in higher concentrations than in ...
Orange Sapphire gemstones from Tanzania. ct Round Facet 5 mm Natural Loose Gems for jewelry available now at GemSelect.
GEOLOGY 115. OPTICAL PROPERITES OF GEMS. Optical properties are those which are related to the behavior of light, on, or in, a gemstone. Some of these can be seen ...
Zirconium is relatively abundant in Earth ''s crust, but not in concentrated deposits, and is characteristically observed in Stype stars. The mineral zircon, which ...
We can supply Appraisals and/or Gemological Laboratory Certificates on any gem we sell, if requested. Many of our Gems already have a Gem Identification Reports ...
chemical properties, health and environmental effects of zirconium
Detailed gem and jewelry information guide about the blue beryl gemstone aquamarine.
India. India has long been synonymous with gemstones. Beryls, pearls, carnelians and Golconda''s storied diamonds were but a few of the precious substances ...
Detailed gem and jewelry information guide about the gemstone zircon: information pictures.