Only two gemstones form in the Earth’s mantle Yellow Diamond from South Africa, a ...
10月 13, 2017
9月 23, 2017
The Rock CycleAll rocks are made up of minerals. The rock cycle explains the ...
8月 21, 2017
Gemstone in Earth’s Crust A raw crystal held up to the sunlight, Spinel surrounded ...
6月 19, 2017
Assessing Value of Gems Natural Gems and minerals (and jewellery of course!) are beautiful, ...
6月 12, 2017
Understanding Gemstones Part II Recap… Let’s recap the first three categories of gemstones in ...
6月 6, 2017
The Definition of “Gemmology”. gemmology dʒɛˈmɒlədʒi/ noun noun: gemology the study of precious stones. ...
6月 2, 2017
“No valleys, no mountaintops.” – B.C. Forbes On 1 June 2017, we celebrated The ...
4月 3, 2017
A brief understanding of Crystals, Minerals & Rocks Quartz crystal, Madagascar What are crystals? ...
12月 12, 2016
By Tay Kunming With a myriad of courses available out there in the marketplace, ...
12月 9, 2016
An Exhibition of a Galaxy of Glowing Gems As part of the 2016 Singapore ...
