Moss agate (also called mocha stone) is a semi-precious gemstone formed from silicon dioxide. It is a form of chalcedony which includes minerals of a green colour embedded in the stone, forming filaments and other patterns suggestive of moss.
Place crystals in a bowl. This is such a simple idea, but it makes such an impact. I love the way it looks to arrange crystals of all different sizes in a raw wooden bowl. This makes a great centerpiece for a coffee table!