Like antique jewellery is often as collectable as it is valuable and good pieces are genuinely timeless. The internet offers great convenience to the antique jewellery shopper. Visiting a number of antique jewellery dealers is easier online.

Gemstone is durable enough to be enjoyed for generations. However certain rocks, such as lapis-lazuli and organic materials are not minerals, but are still used for jewelry, and are therefore often considered to be gemstones as well. Most gemstones are hard, but some soft minerals are used in jewelry because of their luster or other physical properties that have aesthetic value. Rarity is another characteristic that lends value to a gemstone.

Each link or bond is the same length, and the tetrahedral formation is therefore completely regular. Theoretically a perfect diamond crystal could be composed of one giant molecule of carbon. After the magma cooled, it solidified into kimberlite, where the precious rough diamond is still found today. It is the strength and regularity of this bonding which makes diamond very hard, non-volatile and resistant to chemical attack.

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