What is a spinel gem? Spinel is a mineral that owes its beautiful color to chromium, much like rubies and emeralds do. It has a hardness of 8 on the Mohs hardness scale (diamond has a hardness of 10). … Spinel crystals have no true cleavage.
Are Spinels valuable?
Red, pink, lilac, and blue are commercially important spinel colors. Some spinel colors are more rare and valuable than others. In general, red spinel is the most desirable, followed by fine cobalt-blue spinel, then by vibrant hot pink and vivid orange stones.
Is spinel a natural gemstone?
Colorless spinels are most likely synthetic. (Aside from the very rare colorless natural spinels, there are also very light, almost colorless natural specimens). These colorless synthetics make nice diamond simulants.
How do you know if spinel is real?
The proper way to analyze whether Spinel is real is to put it under a UV Radiation Light. Set it to long-wave and look for any stones that are particularly glowy. If the stones are glowy, that means it’s synthetic and not natural.
Are spinel gemstones valuable?
Star Spinels are known, but are extremely rare. Certain colors are more valuable, especially reds and strong pinks. Many Spinels have a significant gray secondary hue, and these colors are much less valuable. … Top Spinels in the 2 to 5 carat size will often sell for $3,000 to $5,000 a carat.
Why is spinel so expensive?
Color is an important factor that defines spinel’s price – red spinel is rarer than other varieties, and also more expensive; blue exemplars are the second rarest spinel gems. Other varieties are more common and less sought after.
Is spinel a ruby?
The two natural gems are generally found together in gem gravels, to the extent that spinel has been called “mother of ruby.” Many historic rubies were probably spinels; the Timur Ruby in the British crown jewels is such a stone. Spinel may be distinguished from ruby by its lesser hardness and lighter weight.
What is the rarest gemstone?
Painite : Not just the rarest gemstone, but also the rarest mineral on earth, Painite holds the Guinness World Record for it. After its discovery in the year 1951, there existed only 2 specimens of Painite for the next many decades. By the year 2004, there were less than 2 dozens known gemstones.
Is spinel semi precious stone?
Spinel, traditionally considered as ‘semi-precious’, is a fine gem that is rapidly growing in popularity. Spinel has a bright vitreous lustre and can be found in a wide array of colours including red, blue, violet, and pink.
Are spinel and sapphire the same?
As you can see, the Spinel is quite a bit larger than the Sapphire, and is considerably less expensive. There are trade-offs to consider, however. Color. Firstly, When comparing these stones side by side, one may notice that the Sapphire’s color is more vivid blue.
Is spinel real or synthetic?
Synthetic Spinels are the artificial counterparts of stones like aquamarine. They are quite easily created in the labs with a fusion of the constituents and minerals present in the natural gemstones like aquamarine.
Does spinel scratch easily?
Spinel is one of the tougher gem minerals. Spinel is also very hard – only a few materials can scratch it. Spinel is tough – it does not break easily. Those two qualities make spinel one of the most durable gems.
Are spinels fake diamonds?
Spinel is a natural mineral that occurs in colors such as red, green, brown, blue, black, and white. White spinels are colorless, and this is why they are sometimes used as fake diamonds. This mineral is moderately hard at 7.5-8.0 on the Mohs scale.
What is the most expensive spinel?
Cobalt Blue Spinel from Luc Yen mine in Vietnam is the rarest and most desirable fine stone, and the biggest hype in the modern gem industry. The sensation of 13-carat precisely cut and clean Vietnam Blue Spinel spread far beyond gem society, reaching Art Connoisseurs and Treasure Collectors worldwide.
Where are the best spinels from?
The best red, pink and orange spinels originate from the rich gem gravels of Burma’s Mogok Stone Tract. The best blue and violet spinels are found in Sri Lanka (Ceylon). Gem spinel is also found in Vietnam, the Pamir mountains of Tajikistan, Tanzania and Madagascar.
Why does August have 3 birthstones?
Peridot, spinel and sardonyx are the three birthstones for August. The peridot birthstone is known for being formed under extreme conditions, as it can be found in the hardened lava that carried it from deep within Earth’s mantle as well as in meteorites that traveled from outer space.