Birthstone - Wikipedia, The Free Encyclopedia
A birthstone is a gemstone that symbolizes a month of birth. They are often used in personal jewelry like rings or pendants. Contents. 1 History of birthstones. 1.1 Western custom. blue topaz or tanzanite: topaz: Zodiacal Tropical zodiac . Sign Dates Stone ... Read Article
Colored Gold - Wikipedia, The Free Encyclopedia
White gold is an alloy of gold and at least one white metal, usually nickel, while a nickel alloy is hard and strong and therefore good for rings and pins, A rich sapphire blue colored gold of 20-23K can also be obtained by alloying with ruthenium, ... Read Article
No comments:
Post a Comment