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Pyrope: description, properties and photo
Pyrope
We will pay attention to the information about pyrope garnet in this article. It’s about description and characteristics, properties, significance and historical background of its use in jewelry.
Pyrope variety is the most popular and famous among all red garnets. Due to the characteristic red color, the mineral was called “pyropos”, which translates from greek as “similar to fire”. It resembles a ruby, and in many sources there are mentions using this more valuable gem. This definitely hides the hidden desire to give one stone after another, very similar, but more significant. Indeed, in terms of color characteristics, the best pyropes, which have a bright scarlet color and excellent clarity, are similar to dark saturated rubies. But on this their similarity is limited. In chemical composition and physical properties, these are completely different minerals.
Pyrope is a gem with good luster and strength properties sufficient for every day wearing. Since the mineral is widely enough available on the market to find a really worthy sample, standing out from the crowd, you need to look at a lot of stones. How to choose a natural pyrope we tell here.
Pyrope is an aluminum garnet by chemical composition, belongs to pyralspites (we give a detailed classification of garnets by composition here) and is a magnesian member of the isomorphic series, that is, it contains aluminum and magnesium. The physical and chemical properties of pyrope are essentially advantages for a gemstone.
Let’s explain. Glass luster and good dispersion (0,022) provide a lively play of light on the edges of a faceted stone. The color palette includes bright, rich colors in red color palette, which makes the mineral attractive and, being set into the product, capable of creating delicate but precise accents in the image. Hardness is above 7 on the Mohs scale. This suggests that the stone is quite resistant to scratching and can be worn happily long time, but need also to protect it from falls.
DEPOSITS
Pyrope is quite common, but with regard to gem quality, only a few places in the world supply such stones to the market in significant quantities. These are the USA, Sri Lanka, Brazil and some African countries: Zambia, Tanzania, Nigeria.
Russia also has few mines of pyrope. Interestingly, pyrope is associated with kimberlite pipes, sources of diamonds. Sometimes they are accompanied by the extraction of pyrope. It should be noted that the origin does not affect the price, if this does not apply to collecting. Here we got to the famous Czech pyropes.
The stone deposit in the Czech Republic was actively developed in the last century. Czech pyrope are also “Bohemian garnets” – are still heard, despite the fact that there are no longer promising mines. Brooches, rings and pendants with a distinctive facet rose became collectibles and are proudly displayed by connoisseurs of gems.
Properties
Mineral:
pyrope, garnet group
Chemical formula:
Mg3Al2(SiO4)3
Crystal Systems:
cubic
Mohs scale hardness:
7.25-7.5
Optical character:
isotropic
Cleavage:
very imperfect
Density:
3.65-3.87 g / cm3
Lustre:
Vitreous to subadamantine
Refractive index:
1.714 to 1.760
Birefringence:
None
Dispersion:
0,022
Color:
red, purplish red, dark orange red
History
Since this stone has been known to people for a long time, the history of the pyrope is rich and diverse in jewelry and religious objects.
In ancient Rome, pyrope served legionnaires. It was used for carving - making cameos and intalia. Thanks to the characteristic “fire” mineral, it received the name “carbuncle” - “coal”. In the last century pyrope became known in Europe thanks to the active development of deposits in the Czech Republic.
Today, pyropes have not lost their popularity. Almost all stones comes from the countries of Southeast Asia and Africa now.
Enhancement
Pyropes are not treated
Photo
On the photo: a unique large dark red pyrope stone weighing 39.62 carats
On the photo: a set of three faceted red garnets
On the photo: bright red stones with round and cushion shapes
Video
On the video: a pair of oval cut pyropes
Written by Ildar Akhmetzyanov
In 2009, I've completed the full course of Sergo Ordzhonikidze Russian State University for Geological Prospecting. The subject area is precious gemstones: Ruby, Sapphire, Emerald, Diamonds, and Alexandrite.
That year, I've visited:
Davdar Emerald Deposit, situated in Xinjiang Uygur Autonomous
Region,
Spinel, Chrysolite, and Kunzite Deposits, Namak Mandi Gems Market in
Pakistan.
Next year, I've graduated from the Moscow University of Industry and Finance. The subject area is project management.
In 2012, I've founded my own company - Gemlovers, which specialized in selling gemstones.
Since 2010, I have taken more than 40 trips to Asian countries as Burma, Thailand, Cambodia, Indonesia, etc. looking for lovely gemstones
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