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 ...
