Rhodonite - 9.31 carats, Unheated, Brazil, Pear 

Rhodonite is an attractive mineral that is often carved and used in jewelry. It is named after the Greek word for rose, rhodon. Its rose-pink color is distinctive and can only be confused with rhodochrosite and the rare mineral, pyroxmangite, MnSiO3. Crystals of transparent rhodonite, while not in nearly the same abundance as massive rhodonite, are still found and distributed on the mineral markets. They come from a few notable localities and are considered classics by collectors.  A Manganese Inosilicate, transparent Rhodonite is extremely rare and well-cut faceted gems are very highly prized. Rhodonite has perfect prismatic cleavage, almost at right angles, making it one of the most difficult gemstones in existence to cut.  It is an exquisite collector's gem.

The prices and value of Rhodonite can vary tremendously, depending on the size and quality of the gemstone. AJS Gems is your source for the highest quality Rhodonite gems and many other precious colored stones from across the globe, available at Bangkok direct wholesale prices. Creating the finest jewelry starts with finding the best gemstones, and the best gemstones are found at AJS Gems.

Why Buy Loose Gemstones Instead of Pre-Set Jewelry?

There are many reasons, but mainly it comes down to value and choice...
When buying your Rhodonite gemstone loose instead of a pre-set stone, you can be sure that you are getting the best value for your money.  Loose gemstones are less expensive, a better value, and you can really see what you are paying for.  The most important part of getting the right price and finding the best value is to first see what you're getting.  A jewelry setting will hide the inclusions inside a gem, and can deepen or brighten its color.  With a loose stone you can much more easily inspect the gem and see it for what it really is.  In this way you can get a better idea of its true worth and be sure you are paying a fair price.
The second advantage of buying a loose gemstone is choice.  You are free to pick the exact color, cut, shape and variety of the stone for the setting of your dreams, be it yellow gold, white gold, platinum or silver; prong set or bezel set with diamond accents.  You can experience the joy of creating your very own, one-of-a-kind jewelry design. Choose from a variety of jewelry settings and styles to create a completely original presentation that will perfectly suit your individual gemstone and will be as unique as you are

Rhodonite Cabochon Ring      


Russia, Australia, Europe, India, Brazil, Russia, Australia, Sweden, and Massachusetts and New Jersey in the United States.
Color Rhodonite is normally pinkish red to brownish red but may be pink gray or yellowish.  Transparent material can be a vivid red to orange red.
Refractive Index 1.735
Chemical Composition (Mn,Fe,Mg,Ca)SiO3
Hardness 5.5 - 6.5
Density 3.5 - 3.8
Crystal Structure Triclinic
Zodiac Sign Scorpio


Rhodonite Gemstone                                                      Rhodonite Crystal

Rhodonite is a manganese inosilicate with the chemical formula (Mn,Fe,Mg,Ca)SiO3, and is a member of the pyroxene group of minerals. The manganese is often partly replaced by iron, magnesium, calcium, and sometimes zinc which may sometimes be present in considerable amounts; a greyish-brown variety containing as much as 20% of calcium oxide is called bustamite; fowlerite is a zinciferous variety containing 7% of zinc oxide.

The R.I. of Rhodonite is 1.735. The refractive index (RI), measured using a refractometer, is an indication of the amount light rays are bent by a mineral.  Birefringence is the difference between the minimum and maximum RI. When birefringence is high, light rays reflect off different parts of the back of a stone causing an apparent doubling of the back facets when viewed through the front facet
Most gems have a crystalline structure. Crystals have planes of symmetry and are divided into seven symmetry systems. The number of axes, their length, and their angle to each other determine the system to which a crystal belongs.  Rhodonite forms in the Triclinic crystal system, which is the least symetrical of the crystal systems.  Rhodonite is most commonly massive but crystals do form with rough rounded edges.  The crystals are typically tabular to prismatic.  It commonly occurs as cleavable to compact masses with a rose-red color, often tending to brown because of surface oxidation.
Rhodonite is typically a deep pink to mauve color with inclusions of black, although the stone can also be pink, red, orange, orange red, or completely black.  Transparent Rhodonite gemstones with a gorgeous red color can be found, but this stone is extremely rare.

Rhodonite has perfect prismatic cleavage, almost at right angles, making it one of the most difficult gemstones in existence to cut.  If done properly, transparent Rhodonite may be found in shapes such as ovals, marquises, and pears.  Due to its rarity, Rhodonite is often cut in unusual shapes, depending on the shape of the crystal and the skill of the cutter. 
Massive Rhodonite gems are often carved into beads, cabochons, and ornamental objects. Some massive specimens are sold to collectors after being cut and polished.

Rhodonite gemstones are not treated.
AJS Gems fully discloses any and all treatments to our gemstones.

Notable localities for Rhodonite crystals include the Ural Mountains, Russia; Broken Hill, Australia; Langban, Sweden, Menas Gerais, Brazil and Massachusetts and Franklin, New Jersey, USA.  Gemrock rhodonite was recorded from the Berkshire Hills of western Massachusetts as early as 1825.
Some of the finest crystals came from Franklin and Ogdensburg, both in Sussex Co., New Jersey. Large masses occur in abundance there, but the fine crystals seem to be exhausted.

In Langban, Sweden, crystals similar to those found in the Franklin area are found. Other worldwide localities include the Ural Mountains of Russia (Sverdlovsk); Chikla, India; Tamworth, New South Wales, Australia; and Minas Gerais, Brazil. A blood-red, transparent variety is from Broken Hill, New South Wales, Australia.

Three other U.S. localities are Cummington, Massachusetts; Cumberland Hill, Rhode Island; and the Cowee Creek District (near Franklin), Macon Co., North Carolina.
Rhodonite is thought to be a calming stone.  Some believe that Rhodonite will decrease anxiety and increase attention to detail.
Some claim Rhodonite can increase language skills and raise self-esteem. The pinkish hue of rhodonite is said to enhance passionate love, while the black inclusions keep the wearer grounded.
Physically, Rhodonite helps to restore physical energy after a trauma, improve the sense of hearing, help with emphysema, ease joint inflammation, decrease sensitivity to light, and even help with strep throat.
Rhodonite is the official gem of the state of Massachusetts.


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