... 1) 93% quartz and 7% resin 2) Incredibly hardness natural rough crystal quartz tile 2.Size:10-30mm 3.MOQ:10kgs ... gemstone: Over one hundred kinds, like red agate, Indian agate, turquoise, semi-precious stone, rose quartz, amethyst, quartz, green aventurine, tiger ... gold sand stone, red quartz, spotted stone, purple fluorite, white turquoise and alabaster, etc... Reasons to buy from us:--Factory direct ...