Paraiba Tourmaline happens to be amongst the preferred gemstones in latest instances due to its colour and it is thought to be among the essential gemstones following rubies, emeralds, and sapphires In keeping with Gübelin Gemlab. Though it is a tourmaline, Paraiba Tourmaline is among the most expensive gemstones.[31] Hematite https://gemstones-and-beads30630.anchor-blog.com/10821310/gemstones-jewelry-fundamentals-explained