... red agate, Indian agate, turquoise, semi-precious stone, rose quartz, amethyst, quartz, green aventurine, tiger's eye, picture jasper, green piebald ... stone, gold sand stone, red quartz, spotted stone, purple fluorite, white turquoise and alabaster, etc ... category of flaws. Part of natural treasures and natural crystals have natural cottons, ice cracks and lacks of ore ...