Category Hydroxyls (minerals) Name in English. Goethite Formula α-Fe3+O(OH) Group Aqueous oxide group Color
How much does an ounce of silver weigh in grams? Every person who decides inevitably faces this question.
To pierce your ears, you can use regular needles and do everything “the old fashioned way” by hand, and
/ List of stones / Properties of Pink Tourmaline 0 5933 Article rating Rubellite or pink
For many people, especially in the East, owning gold jewelry is an indicator of success and high income.
Category Oxides (minerals) Name in English. Pyrolusite Formula MnO2 Group Quartz Group Color Black, Gray
Post updated: May 26, 2020 Medical gold is noble jewelry that is very similar to
On geographical maps, an attentive reader must have noticed circles, squares, diamonds and other icons. These
The rock-forming mineral orthoclase, despite the fact that it is not a precious stone, is endowed with important characteristics:
Olivine is an amazing mineral, the name of which is synonymous with chrysolite. At all times
