Moonstone Jewelry Xray Texture

Rhodium - Wikipedia, The Free Encyclopedia
This is known as rhodium flashing in the jewelry business. It may also be used in coating sterling silver to protect against tarnish, which is silver sulfide Moonstone; Obsidian; Onyx; Opal; Peridot; Prasiolite; Quartz; Ruby; Sapphire; Sodalite; Sunstone; Tanzanite; Tiger's eye ... Read Article

Tungsten - Wikipedia, The Free Encyclopedia
Tungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, which in Swedish is ... Read Article