Other Precious Stones
Generally, precious stones are characterized by various minerals that possess certain properties, such as shine, durability and rarity. Precious stones are mainly used in jewelery, because of their striking appearance.
Nature creates a multitude of rocks and precious minerals.
The most famous and expensive gemstones are diamonds, rubies, emeralds and sapphires.
The diamond is the king of gemstones, and the most commercial stone of modern economy. It is the toughest material in the world and its value can be increased depending on its properties. See what factors affect the price of a diamond.
The ruby belongs to the corundum family and owes its deep red color to chromium. It is used in the manufacture of expensive and impressive jewelry.
Another gemstone belonging to the broader category of corundums is the sapphire. The sapphire is blue in color and is (along with the ruby) the hardest material after the diamond. The largest sapphire deposits are found in South Africa, Sri Lanka and Thailand.
Emerald is a beautiful mineral in the shades of green, commonly found in gold jewelry, such as necklaces, earrings, bracelets and rings. It belongs to the beryllium category, and most of its worldwide extraction takes place in Colombia.
In addition to the precious stones mentioned above, there are other of lesser value, but they are widely used in jewelery and are in demand in gem trading.
Although amber is not a mineral, it belongs to the category of gemstones. It is made of fossil resin and has a golden yellow color.
Aquamarine is a fairly common stone. It is a variant of beryllium and its name means “seawater”, due to its characteristic blue-green color.
Nephrite is a dark green mineral. Its composition consists of calcium, magnesium and silicon compounds. As a mineral, it has been found since antiquity in the region of Europe.
Lapis Lazuli is known for its very intense blue color. It is of high value and is found in jewelry, vases and other objects. The mask of Tutankhamen is adorned with lapis lazuli stones.
Tanzanite is an extremely rare blue or purple stone. It took its name from Tanzania, the country where it was discovered.
Opal is probably the most impressive stone, as it has many bright colors and emits a unique glow. It is a popular stone, especially when it comes to good quality.
A pretty widespread and beautiful stone, whose color matches its name. Turquoise is found in jewelry, but one can buy it as a stone, as well.
Morganite is a rosy, soft pink and shiny stone. It is a variety of beryllium and is known as ‘pink emerald’.
Moonstone is a translucent, iridescent stone, used by many designers of the art nouveau movement.
Rose Quartz is a beautiful and quite common stone. Its color is due to impurities of iron, magnesium and titanium.
Το σιτρίν είναι η κίτρινη ποικιλία του χαλαζία. Πρόκειται για μια διάφανη πέτρα η οποία έχει υψηλή αξία όταν βρεθεί σε φυσική μορφή και όχι κατασκευασμένη με τεχνητό τρόπο.
Citrine is a yellow variety of quartz. It is a transparent stone, which is of high value when found in its natural form and not artificially made.
All gemstones, whether the most popular or the least commercial, have value.
The longstanding experience of the ORAGOLD professionals, gives us the advantage of knowing the true value of your precious stones.
Contact us to find out the prices of your stones and receive instant payment. You may bring them for a free estimate, even if tied to a piece of jewelry.
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