18k gold jewelry or platinum, which is harder?

OL Jewelry Network is the first company in China to focus on white-collar women's jewelry, diamonds, diamond rings, wedding diamond rings and diamond rings. Half cheaper than traditional jewelry stores, Italian designers customize personalized jewelry for you, which is worth the money and luxury is no longer expensive. Platinum is grayish white to the naked eye, with a hard texture and a hardness of 4.3. With naked eyes, the color of silver is white, the texture is fine and smooth, the hardness is lower than that of platinum, and the hardness is 2.7. 18K platinum is a 75% gold alloy, commonly known as platinum, which is the same color as platinum, but hard, and is often used for gem setting. K gold can be made into various colors as needed. The internationally popular K-gold jewelry has various colors, and the common ones are yellow, white and rose gold! Hardness does not necessarily guarantee that it will not be worn by other metals. It is best not to bring precious metals with other metals. Everyone has learned in chemistry class that some metals can penetrate each other. Platinum and gold will turn yellow when they are put together for a long time and will not come back. So it is best not to wear it with other metals. Click on the picture to view the simple series of ups and downs: white 18K gold and Diamond Male. The sea is high and flat, ups and downs are normal, and ups and downs are verve. Simplicity is a unique inner feeling in people's lives. It is a natural expression with heavy accumulation and rich connotation. Without luxury, everything is a true expression. If you want to know more information, you can get it on OL Jewelry Online, or you can contact OL Jewelry Online customer service directly. I believe you can get a more perfect answer. Welcome to consult and order.