Spinel: collector's favourite
Spinel is the great impostor of gemstone history: many famous rubies in crown jewels around the world are actually spinels.
Spinel
Spinel is the great imposter of gemstone history: many famous rubies in crown jewels around the world are actually spinel.
Spinel
Spinel, especially in its red and blue color varieties, is a historically important gem.
Spinel
Spinel has a very bad reputation of deceiving people as rubies for centuries. Many royal famous ornaments are mistaken to be studded with real rubies when Spinels were actually used.
Spinel
Spinel is a mineral group which produces some of the finest gemstones, yet it has never been accepted by the general public as a valuable adornment due to poor marketing. It has a hardness that is equal to topaz and is very durable.
Spinel Mining in Myanmar & Sri Lanka
The highest quality transparent blood-red "ruby spinel" and hot-pink spinel has come from the Pein Pyit (Painpyit) mine, Bawpadan mine, Inn Gaung Pyant mine, and Pingutaung mine in Mogok, ...
Spinel Facts and Buying Guide
By:Sheweta Dhanuka.
Many crown jewels of royal families had Spinel instead of precious gemstone Ruby.
Spinel
Chemical composition -- Magnesium aluminate.
Color -- Red, blue, green, purple, orange, gray, brown, near colorless.
Spinel
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Spinel, like garnet and tourmaline, is a mineral name that refers to a group of minerals all having the same crystal structure.
Spinel
The world's most famous two spinels are part of the British Crown Jewels, but these beautiful red gems are traveling under an assumed name. This little-known gem is so similar to ruby that many of the great rubies of history are spinels.
Spinel
Gemology
Myths
Sources
Choosing tips
Where to buy
Spinel is associated with ruby in many areas where it is mined, and this is the reason why it has been confused with it for a very long time.
Spinels are rarely treated, though occasional experimental heating of spinel has been reported
Spinels with surface reaching fissures are infrequently treated with oils or polymers
Care & Collecting ...
Spinel colored by cobalt is one of the delights of the gem kingdom. Above is a particularly fine example.
Photo: John McLean;
Stone: Dr. Richard Bartholomeau ...
Good red spinels and good blue spinels command prices near the top of the secondary market, but are not anywhere near on par with their ruby and sapphire counter parts. Pink spinels, and other pale colors have far less value.
2 stones ...
SPINEL - The Natural GEM, - NOT just a synthetic imitation
It is unfortunate that most people associate the name "spinel" with cheap synthetic stones and "birthstone imitations" as are typically sold jewelry stores.
Spinel
Sign of Spinel - Capricorn
Symbolic Gemstone-21st Anniversary Birthstone.
Spinel. All our other stones are of more complicated chemical composition than the preceding.
Spinel, 2.30 carats, Burma
(Photo by ICA/Bart Curren)
Around 1900, synthetic spinels were made in a laboratory. These have been used for inexpensive "birthstone" jewelry. As a result of all this, spinel has greatly suffered from mistaken identity.
Spinel was once mistaken for ruby and sapphire, but it’s no impostor, rather a “master of disguise.' One of the gem kingdom’s best kept secrets, spinel is treasured for its eternal brilliance and spectacular colors.
Spinel is thought to protect the owner from harm, to reconcile differences, and to soothe away sadness. However, the strongest reasons for buying a spinel are its rich, brilliant array of colors and its surprising affordability.
Enhancements
Spinel is not enhanced.
More information on gemstone enhancements.
Black Spinel ...
Spinel
Usually found in brilliant shades of red, the spinel has held an important place in the spectrum of coloured gemstones for centuries, largely because of its close physical and chemical resemblance to the ruby.
Spinel - A gemstone found in a wide range of colours, the most valuable resembling ruby
Square cut - Similar to emerald cut, the stone is square and bordered by long narrow facets ...
Spinel: Probably named from the Latin word "spina", (meaning "thorn"), for its pointed crystals, spinel is a hard mineral with octahedral crystals occurring in igneous and carbonate rocks.
Spinel: a natural gemstone often mistaken for ruby in antique and period jewellery. Also occurs in blue.
SPINEL
The protector jewel
Although occurring in a wide range of colors, it is a tribute to this usually red or pink gem that many of the world’s most celebrated “Rubies' (included in some of the Crown Jewels of London), ...
Spinel
Next to ruby and the rare red diamond, spinel is the most expensive of all red gems, commanding prices as high as $2,000 per carat for stones above one carat in weight. (One carat equals one-fifth of a gram.) ...
Spinel
Appears in many colours. Mistaken for rubies due to the visual similarities and famously The Black Princes Ruby which is set in the British Imperial State Crown is actually a spinel. 8.
Simulated diamond ...
Spinel
Magnesium aluminum oxide. Spinel may mean "spark" in Greek.
Split Shank ...
Arizona Spinel: A garnet found in Arizona that resembles a spinel.
Arkansas Diamond: Not a real diamond but a form of clear rock crystal.
Arkansas Stone: An abrasive used to smooth metals in jewelry making.
Spinel
Jacumba
Vesuvianite - Preacher Kid Mine, Former collection of Leo Horensky, 3.2cm x 4.0cm
Epidote - Blossom Valley, Former collection of Leo Horensky, 5.2cm x 4.2cm
Spinel - Sun Dance Quarry, Former collection of Leo Horensky, area shown 2.
Spinel is a very hard semi-precious stone composed of octahedral crystals. Spinel ranges in color from red to black to yellow, frequently resembling rubies. Iron and chrome are components of spinel, giving it its color.
Spinel
A natural gemstone which occurs in many colours. Synthetic white spinel was often used in the past as a diamond substitute.
Spotted ...
Spinel
Leg conditions, when worn on solar plexus; powerful general healer; detoxification aid.
Topaz ...
Spinel
A mineral species that has transparent red, orange blue, violet and purple varieties
Spodumene ...
Spinel
For many years, Spinel was thought to be a variety of Ruby. The magnificent red stone that adorns the Imperial State Crown in the Crown Jewels, known as the Black Prince's Ruby, is in fact a Spinel.
Spinels- magnesium aluminum oxide with a rating of 8 on the Mohs' scale. They occur in all colors, the favorite being a ruby-like red. Star spinels are very rare.
Spinel
Spinel is an affordable gemstone that was once thought to be related to the corundum family (ruby and sapphire), because it found near deposits of those gemstones and exhibits some of the same characteristics.
Spinel is a hard semi-precious stone composed of octahedral magnesium aluminum oxide crystals. Spinel occurs in all colors, frequently resembling and being mistaken for rubies and sapphires. Hardness 8.0, S.G.=3.6, R.I.=1.718.
A ruby spinel (or spinel ruby) is deep red, transparent spinel (not a ruby).
RUMANITE
Rumanite is a type of opal that is from Romania.
Diamond-Spinel-Sapphire-Fabulite-Topaz doublets and variations.
Damaged Diamonds
Means of Identification ...
Arizona spinel
An Arizona spinel is actually a garnet (and not a spinel at all).
Arkansas diamond
An Arkansas diamond is actually a rock crystal (and not a diamond at all).
Synthetic spinel
A synthetic gemstone that resembles the natural spinel. It was first produced accidentally in experiments to produce a synthetic sapphire by the Verneuil Furnace process and using cobalt oxide and also magnesium oxide as a flux.
"CHROMITE" (Chrome Spinel)
Colmonell, Ayrshire.
"Leopard Ore". Black chrome spinel aggregates in dunite matrix. (100x80mms).
see spinel
Banded agate...see quartz..chalcedony Barite ...
Crystallography: orthorhombic
Colors: colorless, yellow, red, green, black
Hardness: 2.5 - 3.5
Specific gravity: 4.48
Occurrence: med. to low temp. hydrothermal veins assoc.
in Sanford, Maine, or spinel or franklinite crystals in Franklin Marble are all cleaned in hydrochloric acid.
Soo Chow Jade (see Serpentine) Heat treated serpentine Spinel - {Elemental Astrological Signs of Sagittarius and Aries} Many large red stones formerly thought to be rubies or red diamonds recently have been correctly identified as spinel.
aka Arizona Ruby, Arizona Spinel, Australian Ruby, Black Hills Ruby, Bohemian Ruby, Montana Ruby, Mountain Ruby, New Mexico Ruby, Rocky Mountain Ruby ...
A lot of the most famous rubies are truly spinels, but became known by the reputation of the true ruby. The Timur Ruby which can be traced back to an early owner, known as Tamerlane or Timur a tartar conqueror in 1398, is not a ruby but a spinel.
Examples are ilmenite (FeTiO3), spinel (MgAl2O4), chromite (FeCr2O4), and chrysoberyl (BeAl2O4). Many of these species are colorful, relatively hard, and may be used as gemstones.
Later, sapphire, spinel, rutile, and strontium titanate were grown with this technique. In this process, a single crystal, called a boule, forms in the flame of a simple, downward-impinging oxygen-hydrogen blowtorch.
Many famous 'rubies' of antiquity are in fact red spinels; for example the "Timur Ruby" and the "Black Prince Ruby." Other famous collections, including the Crown jewels, are filled with red spinels.
" Throughout history, other red gems such as spinel and garnet were mistaken for ruby. In fact, most large historical red stones (several hundred carats) are spinels.
In early times many red gemstones, including garnet and red spinel were mistaken for Ruby.
Example are: synthetic Spinel; synthetic Sapphire, synthetic Quartz and synthetic Cubic Zirconia produced in various colors to imitate gemstones of different species. This designation also includes GGG, strontium titanate and YAG.
Include diamond, brilliant, beryl, emerald chalcedony, agate, heliotrope; onyx, plasma; tourmaline, chrysolite; sapphire, ruby, synthetic ruby; spinel, spinelle; oriental topaz; turquoise, zircon, cubic zirconia; jacinth, hyacinth, carbuncle, ...
Balas Ruby
Trade name for Red Spinel.
Baroque
May apply to certain gemstones or pearls. Either a gemstone or pearl with an irregular shape, such as Tumbled Stones or Baroque Pearls.
" In 1954 a synthetic grainy spinel, colored with cobalt oxide, with a good lapis color made an appearance on the market. Inclusions of thin gold pieces simulated the pyrite and improved the character of the genuine stone.
Two parts, the top and the bottom are either quartz, pale beryl or synthetic spinel and the third part usually is a layer of green cement, serving a colorant while gluing the top to the bottom.
 See also: Stone, Color, Gemstone, Jewel, Crystal
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