Quartz and amethyst are frequently observed weathered from this stone, coupled with other numerous sorts of silica including agate. It’s a lot less a sign of gold, plus much more of the stone which will bear it underneath the right problems.Ch?t li?u bao bì: S?n ph?m ???c ?óng trong l?, bên ngoài là h?p gi?y c?ng ??m b?o v? sinh an toàn th?