Gemstone drop pendant in various types of stone with silver eye.

Gemstones are rare stones, which are usually processed and processed into jewelry and ornamental objects. Gemstones have the following characteristics: Beauty. This includes visual aspects such as color, shine, fire, transparency and light effects. Sustainability. This involves looking at hardness, fragility/fissile nature and chemical resistance. Rarity. This looks at how often a product occurs in nature. Gemstones can be cut in many different shapes. The basic distinction is made between cabochon, where the gemstone is cut into a convex shape, and faceted, where the surface of the gemstone is cut into several facets. When grinding, various properties of the stone are considered, including the color, color distribution, inclusions, special light effects, dispersion and fracture and grinding surfaces. For example, they are processed into necklaces, earrings, bracelets and many other jewellery, but the gemstones are also used in industry for processing. Well-known gemstones include diamond, ruby, emerald, sapphire, aquamarine, topaz, tourmaline, amethyst, citrine, carnelian, opal, onyx, turquoise, lapis lazuli, and garnet. In the 18th and early 19th century it was fashionable to make jewelery in which someone's name or initials were incorporated. The choice of gemstones was guided by the first letter of the name of the gemstone, and this is how the gemstone alphabet was created. Similar achrostic jewelery was also made during the nineteenth century in which sentiments were expressed in precious stones. Best known is the English 'regard' ring, an engagement ring where the word 'regard' (regards) was formed by the gemstones ruby (ruby), emerald (emerald), garnet (garnet), amethyst, diamond (diamond)