Laoyoucui cannot be penetrated. The reason is that Laoyou Cui is a relatively hard material and is not transparent. Its color is mostly dark green or black, and its texture is relatively hard, so it cannot transmit light.

Extended content: Laoyou Cui is a common variety of jade. Its formation has gone through hundreds of millions of years of geological processes. Its hard texture and dark green color are due to its high mineral content. Jade is widely loved by people, not only because of its rarity and preciousness, but also because it is endowed with auspicious, protective and other connotations. In the market, jade is often used as a material for jewelry, and its beautiful color and texture make people flock to it. However, due to its opaque texture, old oil jade has relatively few uses in jewelry making, and is more commonly used in the production of ornaments, bracelets and other decorations. Therefore, if you want to choose a piece of jade with higher transparency, old oil jade is not an ideal choice.