Talc is a mineral with the formula Mg3Si4O10(OH)2. Synonyms: agalite (fine-fiber), steatite, wen (dense, massive). Is
What is this chemical element? Zirconium is part of zircon. Some mineralogists believe that their
History Linguists believe that the name comes from the word “layer”. The history of the mineral is connected with Russia:
Category Phosphates (minerals) Name in English. Apatite Formula Ca5[PO4]3 Group Mineral Group Color White,
Description Blue topaz is a precious mineral that is the most popular variety in its group. His
“Rhombus” weaving A type of armor weaving in which diamond-shaped links overlap one another. IN
Good afternoon We know a lot about the American gold rush - unorganized mining of the precious metal
From this article you will learn: Where obsidian stone was first discovered What types of obsidian exist
What are pearls? Pearl is a stone of organic origin, a product of the activity of a living organism. First in
What does the stone look like? For a mineralogist, cacholong is a type of ordinary base opal with quartz
