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About Gemstones and Minerals

gem and mineral names

Why Pariaba is a Famous Tourmaline?

Pariaba colour tourmaline is one of rare variety of Tourmaline minerals and gemstones. Heitor Dimas Barbosa discovered this splendid colour tourmaline in 1980s. He kept on digging in mountains of Paraiba, a Brazilian State. Neon bright pariaba tourmaline attracted him a lot. It can be said that he is the first among all who found […]

Members' Profiles

Jason Ferguson, Mineral Collector and Mining Enthusiast

Jason Ferguson-A Mineral Collector and Mining Enthusiast in California

Rock Hounding

Samina Gulzar – Gems and Mineral Enthusiast and Collector

Samina is an experienced professional and running GGMC website with other professionals. She has 5 years experience in gemstones collections and have 10+ business management experience from different industries. She collects gemstones from all over the world. She is fond of travelling and love to see mineral regions by eyes. She is also running online […]

Richard Harrison – Mineral collector, Geologist and Lapidary Enthusiast.

Richard is a South African geologist with a rich history and exposure to minerals. From a very young age, his father brought him into the family hobby (And sometimes profession) – He spent his school years roaming the bush, looking for minerals and refining his collection. Many years later this passion became a career choice, […]

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Folk Market Gems

Gemstone Identifications

Testing Hardness , Toughness and Stability of Gemstones

How Gemstones durability is analysed?  Durability of gemstones helps in gems identification of particular gemstones through its particular characteristics or resistance power in particular environment in its internal structure or externally.  There are many experiments done on mineral stones and their results tell us about how much stone is hard or tough. There are normally following […]

Testing of Gemstones for Identification through Polariscope

A polariscope is an instrument in gemology for testing of gems with single refraction, double refraction, Poly-crystalline material or ADR. Let us first tell you what is Polariscope? and how test is done?. The name of Polar – Scope itself shows or describes that a method to see the stones from poles or axis through the Scope. […]

Identification of Gems – Calcite dichroscope

Observing Gemstone colours through Calcite Dichroscope. A dichroscope is a handheld tool for identifying or looking into the different colors or shades of a pleochroic piece of gemstones. It helps any gemologist or gem cutter in judging gemstone before cutting or identifying any gem.   Calcite Dichroscope Calcite Dichroscope is used to observe dichroic gems and […]

Exhibitions and Event

Gems and Minerals Shows, Exhibitions News

Tucson Gems and Mineral

Tucson Gemstone, mineral and Fossil Show is the biggest show in the world. Dealers, exhibitors, visitors and travelerscome all around the world for various purposes. There are approximately held 30 different wholesale, public gemstones, jewelry, minerals and fossils shows operated privately. Approximately 30000 exhibitors exhibit their products in Tucson. Tucson Gem show guide is here http://www.tucsonshowguide.com/ […]

Gems and Minerals Shows, Exhibitions

Santa Marie Aux-mines Mineral&Gem show, Being held in Santa Marie Aux-mines France, From June 22-25th

Santa marie aux-mines Mineral&Gem show is one of The main International Mineral&Gem exhibition, that is held Every year in Santa marie aux-mines France, Minerals, Gems, jewelry, Fossils and meteorites dealers from all over the world Participate in the show and Exhibit their finds For sale/Display, a huge number of Visitors are recorded every year during […]

Gems and Minerals Shows, Exhibitions

Munich Show – Mineralientage München

The Munich Show is very popular gems and mineral show which is held in Munich, Germany every year mostly from 27th to 29th October. Munich Show – Mineralientage München is one of the international gems and mineral show where gems and mineral dealers all around the world comes and participate. There are normally 4 sections of […]