The semi precious stones have an extremely various worth among them as well as it is a lot easier to get semiprecious rocks of wonderful dimension as well as purity (clean) than gemstones of such features.
The oscillation of value or cost of semi precious gemstones will depend upon the very same conditions that influence the jewels: firmness, rarity as well as elegance and excellence (pureness, shade, brightness as well as transparency). There are around 130 mineral types cataloged as semiprecious, along with pink topaz as well as rainbow moonstone.
Allow's see below the most crucial and also those utilized in precious jewelry.
Key attribute of the ruby gemstone is the intense and also intense red shade that its very own name indicates. This shade is due to the steels that compose it, iron and chromium. It comes from the family of corundum -like the sapphire- and also has a solidity of 9 on the Mohs scale. It is the hardest stone after the diamond. When removed from nature, the ruby has a rugged and also rude appearance, but once picked those that are going to be used in fashion jewelry and after being sculpted, they take on that exclusive radiant tone that makes them so marvelous. Take into account that just between 1% and also 5% of the rubies extracted from nature are picked for use in precious jewelry.
It can have several shades and also shades - depending on the formation of its silica microcrystals (quartz) - and also be clear, translucent or nontransparent.
The formation of the agates is due to the blood circulation of below ground waters that are in closeness to the silicon saturations, to the filling of the cavities or indoor holes of the rocks as well as the dissolution of the products that exist: shells, bones, and so on. This procedure is because of the particular concentric bands of the agates, which advise us of the knots of the trunks of trees. The term agate comes from the Greek "Achates", which is the classification of the river with the very same name. His firmness on the Mohs range is 7.
In fact it is a version of it, yet light green blue. As the name suggests, its color and brightness reminds us of sea water. Its name originates from the Latin aqua marina, as well as formerly it was also referred to as the seafarer's stone.
As we currently know, the amethyst was thought about a precious stone, yet after the exploration of mines in Brazil, its rarity was shed and it became part of the team of semiprecious rocks. It is the most priced quote quartz selection in the marketplace. Its most appreciated shade is a lilac violet, however can be yellow and also clear, relying on the amount of iron it contains. His hardness on the Mohs range is 7. Regardless of having actually dropped a ladder as well as be a semiprecious rock, because of its beauty and also popularity should have that, later on, we compose an exclusive post for her.
It is one more variant of quartz, but of lemon yellow color and with its exact same scale of firmness, 7 Mohs. Its name comes from the French citron. Formerly, it had happened called "quartz topaz" because of its similarity to topaz, yet we should make it clear that they are two totally various stones.