Diamond
|
Diamond "In mineralogy" is a metastable carbon allotrope, in which carbon atoms are arranged in a variation of the cubic crystal structure. Diamonds are known as materials with superlative physical qualities, most of which come from strong covalent bonds between atoms. In particular ........ "Read more"
The Biggest Diamond in Indonesia is Discovered in Diamond Mining in Martapura. Tri Sakti Diamond is one of the most horrendous Diamond inventions in Indonesia. This diamond was found in one of the traditional Diamond mines in the Cempaka area, Martapura area ...... "Read more" |
Emerald
|
Emerald is a green gemstone, a specimen from the mineral family Beryl. They are found in igneous rocks, and sedimentary rocks in a small number of locations around the world. Emeralds are defined by green. To be an Emerald, the specimen must have a distinctive green color that falls in the range from ..... "Read more"
Emerald Jewelry. Green emeralds are excellent gemstones for most types of gemstone jewelry. They are considered to be quite hard, though not so strong because of the lack of an emerald natural process. They also have good levels and brilliance that make gemstones ideal for open settings ..... "Read more" |
Ruby
|
Ruby is a red gemstone that has a variation between pink to blood red and is one type of corundum mineral (Al2O3). This type of Ruby includes very hard stones which have a value of 9 from the Mohs Scale of 10. The red color of Ruby is mainly caused by chromium (aluminum oxide) with a hexagonal ..... "Read more"
Ruby Mine. The Strike Valley in Upper Myanmar (Burma) has for centuries been a major source of Ruby in the world. The region has produced some very fine rubies, but in recent years some good rubies have been found there. In central Myanmar, the Mong Hsu region began producing ruby during ..... "Read more" |
Sapphire
|
Sapphire is a single crystal form of aluminum oxide (Al2O3), a mineral known as corundum. The corundum group includes pure aluminum. Small amounts of other elements such as iron, titanium and chromium give blue, yellow, pink, purple, orange, or greenish to the sapphire Blue. Sapphires are very hard ..... "Read more"
Sapphire Mine. Sapphire is mined from alluvial deposits or from primary underground work. Commercial mining locations for sapphires and rubies include (but are not limited to) the following countries: Afghanistan, Australia, Myanmar / Burma, Cambodia, China, Colombia, India, Kenya ...... "Read more" |
