(8) With hair inspection: Put the crystal on a hair, the human eye can see the double shadow of the hair through the crystal, it is natural crystal, mainly because the crystal has birefringence.
One of the key features of silver textured mirrors is their ability to reflect light in a way that creates a stunning visual effect. The textured surface of these mirrors breaks up the light, creating a shimmering and dynamic display that can brighten up even the darkest of rooms. This makes them an ideal choice for spaces that lack natural light or for rooms that need a little extra sparkle.