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 is seen in a wide range of colors: red, lavender, violet, blue, green, brown, black.
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.
Is spinel a good stone?
Spinel belongs to the cubic crystal system and its characteristic crystal shape is an octahedron, which looks like two back-to-back pyramids. Like ruby, spinel is found in alluvial deposits; it ranks 8 on the Mohs scale and has good toughness, making it a durable gem for jewelry.
Is spinel a corundum?
While corundum gemstones like rubies and sapphires are extremely hard, second only to diamonds, spinels are a pretty tough group too with 7.5 to 8 on the Moh scale.
Diagnostically, the difference between spinels and corundum is as follows:
|Hardness (Moh Scale)||7.5 to 8||9|
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.
Are spinels worth anything?
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.
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 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.
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.
Is spinel more expensive than ruby?
Although spinel is still less expensive than ruby, the market for spinel has been increasing. And, now that spinel has been added as a third August birthstone, its popularity may increase further still, bringing its value up as well.
How much is a spinel worth?
Spinel Price Guide
|Colour||Carat||Price Per Carat (USD)|
|Red||1.0 – 5.0||$800 – $5000|
|Jedi Pink – Burma||1.0 – 5.0||$800 – $5000|
|Hot Pink||1.0 – 5.0||$500 – $3000|
|Cobalt Blue – Vietnam||0.8 – 3.0||$2000 – $8000|
How can you tell a fake spinel?
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.
What is a grey spinel stone?
Grey Spinels can range in color from a gunmetal grey to a steely grey to a deep charcoal grey. … Notable sources of Grey Spinel include Burma, Tanzania and Sri Lanka. Spinel is a durable gemstone with a hardness of 8 on the Mohs Scale and can easily be used in all types of jewelry.
What is the difference between spinel and tourmaline?
All three of these samples are roughly the same size and look very similar in color. We can quickly tell that Spinel is much denser than tourmaline and agate when we hold it in our hand. … Though black in color, it reflects light more brilliantly than the Agate family which Onyx is a part of.
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.
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.