What is the most precious stone in the world?
What is the most precious stone in the world?
The Modern Precious Stones List 1 Diamond. Diamonds are a girl’s bestfriend. 2 Ruby. Ruby is a red precious stone that comes from the mineral group corundum, which is second only to diamond in hardness (9 out of 10 in the Mohs 3 Sapphire. 4 Emerald.
Why is emerald considered a precious stone?
Even though the precious stone is usually fraught with surface fissures and its toughness compromised by numerous internal inclusions, emerald remains on the precious stones list for its color. The green gemstone is simply oiled to keep its fissures and inclusions from showing: a practice that has been widely accepted in the gem trade.
What are the three qualities of a precious stone?
There are 3 qualities that characterize the precious stones of today: (1) beauty, that is, translucency and brilliance, (2) hardness, and (3) rarity. Two of these qualities, however, have not always been permanent. Tiger’s eye used to be a precious stone, even though the gemstone is, not translucent, but opaque.
Are all colors of Sapphire precious stones?
Like blue sapphire, the orange variety of sapphire named padparadscha also fetches a high price, as do black and blue star sapphires, or those that exhibit a star-like pattern when reflecting light. Earlier I said, it does not follow that all colors of the mineral a precious stone belongs to are precious stones as well.
What are semi-precious stones?
Semi-precious stones were everything else. Today, gemologists don’t use these terms because they imply that some gems are better or worth more than others. In fact, some so-called semi-precious stones would be worth far more than so-called precious stones. Read this article to learn more.
Where are the most precious gemstones found in Africa?
However, most of these gems are mainly found in sub-Saharan Africa, with the southern and eastern regions taking the lead. Here are the top 7 most precious gemstones found in Africa aside from gold and diamond.