Balbina Araújo
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灰簾石(ゾイサイト):Zoisite : 宝石や鉱物のきれいな原石写真まとめ - NAVER まとめ

Zoisite, first known as saualpite, after its type locality, is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals. Its chemical formula is

Epidote Crystals

Epidote is a silicate mineral, a calcium aluminum iron silicate. It has a hardness of 6 to 7 on the Mohs scale. One of its distinguishing characteristics is strong pleochroism, where crystals display different colors -- green, brown and yellow -- as they

Agate Lake superior

Agate Lake superior

opala Pedra Polida

It has been said, it is bad luck to wear Opals unless it is your Birthstone. it's good luck for me as it is my engagement ring!