ironing board cover for tabletop_plaid tablecloth

(6) Check with dichroism: natural amethyst has dichroism, and false crystal has no dichroism.

How to identify whether it is natural crystal
(1) Eyes: Natural crystals in the formation process, often affected by the environment always contain some impurities, when observing the sun, you can see light uniform fine horizontal lines or catkins. And the fake crystal mostly uses the residual crystal ballast, glass ballast melting, after polishing processing, color imitation, there is no uniform stripe, catch-like material.