A mineral made of extremely fine granular or fibrous quartz. It may also contain a mineral called moganite, which is polymorphic to quartz. There are various colors such as colorless, red, orange (daidai), green, yellow, and black, and there are various variant names. Some are used as decorative stones such as agate, carnelian, and … Read More
Copper carbonate mineral, green or blackish green, with diamond luster and translucent. Monoclinic system with many fine needles or fibrous crystals. Malachite is said to have the power to protect the owner from disasters. It is also said to increase the amulet amulet, intuition and insight. Japan call “Ku jaku ishi”.
It is blue beryl. The name is a word that means “seawater” in Latin. A gem name of a transparent blue tone among the green pillar stones. Most of the commercial products are cheaper than emeralds and have been treated with heat from green to yellow-green patyrite. Japan call “Ai dama”.