Cleaning Your Skin and Body. 1  1. Try scrubbing your fingers with lemon juice once a day. The acidity of the lemon juice will help lift the stain over time, usually after a week of persistent cleaning. 2  2. Use potatoes to remove stains from skin. There is an enzyme in raw potato that helps slough away stains.
Thanks to their superior hardness and cultural value as stones for engagement rings, diamonds are arguably the most popular gemstone. Diamonds are more versatile than people might think, though, coming in a wider variety of colors than their iconic colorless form and serving as a great stone for everything from earrings to tie pins.
Quartz is one of the most common and varied minerals on earth, and its abundant colors produce many gemstone types. Amethyst and Citrine are the most popular and valuable gem varieties of Quartz, but other forms also make important gemstones.Chalcedony describes any form of Quartz that is microcrystalline, in compact form without any visible crystal s.arieties specific to Amethyst, Citrine, Smoky Quartz, Rose Quartz, Rutilated Quartz, and Chalcedony are listed separately. 1  Amethyst-Purple variety of Quartz, and its most popular and valuable gemstone variety.