This time we are again introducing a more obscure yet no less interesting feldspar ...
5 月 31, 2025
11 月 15, 2018
Inclusions contain important information about the gemstone and the natural history of our earth! ...
10 月 13, 2017
Only two gemstones form in the Earth’s mantle Yellow Diamond from South Africa, a ...
9 月 23, 2017
The Rock CycleAll rocks are made up of minerals. The rock cycle explains the ...
