Today, science knows more than 80 types of metals. And only eight of them
“Jasper in the poet’s hand is poetry. Powdered jasper is scattered on
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Blue opal is a gemstone that is distinguished by its rich range of colors and beautiful tints of color. How
Talc is a mineral with the formula Mg3Si4O10(OH)2. Synonyms: agalite (fine-fiber), steatite, wen (dense, massive). Is
How to determine whether a ruby is real or fake at home. This question is not uncommon
Platinum group metals, or platinoids, are 6 precious chemical elements of a noble appearance. They
Gold accessories are considered the most popular jewelry in recent times. But the cost of this precious
Finding gold is hard work. Sometimes months of fruitless efforts pass in search and
Surgical medical steel jewelry, also known as
