THE MOST? BEAUTIFUL (AND EXPENSIVE) COLORED PRECIOUS STONES (excluding diamonds)

Although in this year of crisis not many will be able to afford it, let's feast our eyes on some colored stones. I present to you a short collection of colored stones, excluding diamonds, for beauty, rarity and value. Our ranking is based on a forbes article, some sites and personal experience. It is not a bible, but a way to show you something beautiful. Let's begin:

TSAVORITE:

Tsavorite, as the name itself implies, comes mainly from Africa, from the area between Kenya and Tanzania, as well as from other areas of East Africa. The stone is a variant of garnet which has the advantage of being hard (7.5 on the Mohs scale) and good refractivity. The value depends on the quality, the color, the size, but a beautiful stone, of decent size, easily exceeds 1000 dollars a carat.

DEMANTOID GARNET

A rare high variant of green garnet, but this time of Russian origin, is the Demantoid Garnet. The first had been found in the central western area of ​​the Urals, but recently a large field has been found in Namibia. The official name is Andradite Garnet, and it can have shades of yellow. Among the first to appreciate it was the jeweler of the Tsars, Fabergé. The cost can exceed $ 10,000 per carat.

TANZANITE

Tanzanite is the gem version of the mineral Ziosite. It is located in an extremely restricted area (and in the process of being exhausted for years now) in the hills of Merelani, in Tanzania. Naturally presents the three-color, that is three different colors on the three years, blue, blue-violet, brownish red. Subjected to a heat treatment, the reddish-brown turns into blue. Hardness equal to 6.5 on the Mohs scale. Stones over 10 carats are used as investments because they are rare and linked to a depleted deposit.

ALEXANDRITE

Alexandrite owes its name to Alexander II, Tsar of Russia, to whom it was dedicated. It is a rare form of Chrysoberyl that shows a different color depending on whether it is exposed to natural or artificial light. It is rare to find large gems, but they still approach $ 1000 per carat.

BLACK OPAL

Opal is a hydrated amorphous silicate of silicon. Only in some variants does it achieve an aspect and value worthy of jewelry, and the most valuable varieties are Fire Opal and Black Opal. The latter is the most valuable variety for a naturally translucent stone, but complex in evaluation. The place of production is Australia. The value can exceed 1000 dollars per carat

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The article THE MOST? BEAUTIFUL (AND EXPENSIVE) COLORED PRECIOUS STONES (excluding diamonds) comes from ScenariEconomici.it .

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This is a machine translation of a post published on Scenari Economici at the URL https://scenarieconomici.it/le-piu-belle-e-costose-pietre-preziose-colorate-esclusi-i-diamanti/ on Sat, 12 Dec 2020 21:14:49 +0000.