The name Grossular comes from the Latin Grossulara (the name of gooseberry fruit) which is the same color as the greenish variety of garnet. The name Hessonite comes from the Greek word meaning "less". Soluble in hot sulfuric acid.
Grossularite Composition
Grossular is a calcium-aluminium nesosilicate with a granular, compact, and/or massive crystal growth habit, which forms rhombic dodecahedra or cubic crystals in the Isometric crystal system.
Grossular
Grossular garnets, alias grossularite garnets, simply do not fit the common image of wine-dark garnet colors! Instead they are found in a wide range of colors including colorless, yellow, orange to green and a rare pink.
Enhancements
Andradite grossular garnet is not enhanced.
More information on gemstone enhancements.
Andradite Grossular ...
Grossularite garnets are the variety of many different colors ranging from colorless, white, yellow, violet-red and orange red.
GROSSULAR GARNET
Grossular garnet is a type of garnet, calcium-aluminum silicate. Hessionite is a transparent brown, yellow, orange, or honey-colored variety of grossular garnet often used in jewelry.
Grossular: Resembling a gooseberry, as with a grossular garnet, also called Grossularite.
Grossularite: Grossularite is generally olive green, but there are also yellow, red, brown and violet varieties.
Grossular Garnet is a type of garnet with many different colors and associated names. Hessionite is a transparent brown, yellow, orange, or honey-colored variety often used in jewelry.
Grossular - Grossular gemstones are a species within the Garnet family. This species includes several significant gem varieties such as hessonite, tsavorite, leuco garnet, and hydrogrossular. On Mohs' scale of hardness, it is 3.57- 3.73.
Grossularite: A translucent green garnet that resembles fine jade. One of the world's most precious gemstones.
Grossular
Grossular - is found in a wide range of hues ranging from colorless to shades of pink, orange, yellow and green. These rare and beautiful gemstones are found at only a few localities on earth, and seldom in large sizes.
[edit] Grossular
Grossular on display at the US National Museum of Natural History.
Garnet, Grossularite. Purifies all body systems, especially liver and heart.
Garnet, Hessonite. Creativity.
Garnet, Rhodolite. Facilitates meditation, enhances intuition, inspires love.
Grossular is a green colored, calcium-aluminium garnet. The name grossular is derived from the botanical name for ‘gooseberry’, ‘grossularia’. Other shades include cinnamon brown (cinnamon stone variety), red, and yellow.
Grossular"A greenish garnet illustrated by a well-formed crystal.
Pyrope"Wine-colored grains in a California eclogite.
Spessartine"A honey-colored set of crystals from China.
Grossular:
Ca3Al2Si3O12
Tsavorite (green), hessonite (orange) & other colors
Mali (andradite &
grossular) ...
Grossular
Shades of yellow, pink, green and pale brown.
Important varieties include Hessonite (cinnamon-stone), a brownish yellow, orange yellow, or brownish orange color, and Tsavorite (or Tsavolite), a bright, vivid lime green color.
GROSSULARITE
Kingussie, Inverness.
Crystals to 15mms.
CAIRNGORM Mountains & Their Minerals ...
Grossular gemstones are a species of gems in the garnet family. The grossular species includes several significant gem varieties, including hessonite, tsavorite, leuco garnet, and hydrogrossular garnet.
A grossular formation of pink garnet that is found within white marble. Named after Xalostoc, Mexico, its place of origin.
xyloid jasper
See jasperized wood.
Green grossular, a very beautiful stone, has features that surpass those of the emerald. The green garnet has a much higher index of refraction, which results in superior brilliance, tends to greater transparency, and occurs with fewer inclusions.
Nephrite, Hydrogrossular, Serpentine, Maw-Sit-Sit, Idocrase, Chalcedony
Treatments
Dying, Wax impregnation, Heating ...
Belongs to the grossularite garnet group. Its vivd orange brown colouring has resulted in the nickname cinnamon stone. Read more in our Gemstones & Minerals Glossary
Above is an example of Hassonite.
HAT PIN ...
Massive green Grossular Garnet Agalmatolite ... See Pyrophyllite, Pinite, Talc Agate ... See quartz .. Chalcedony .. Banded Quartz
Agatized Wood...See Quartz, Fossilized Wood, Chalcedony Agmatite ...
African JadeAfrican jade (also called Transvaal jade) is a misnomer for massive green grossular garnet that is mined in South Africa; it is not jade, but does look like jade.
African JadeA misnomer for massive green grossular garnet that is mined in South Africa. It has color of light green, white, or pink. It is not a jade. AgateAgate is a variety of chalcedony (a family of microcrystalline quartz).
Some garnets used as gemstones include pyrope (the deep red garnet), almandine, spessartine, grossular, the iron-aluminum dark red garnet (also known as the carbuncle stone), Uvarovite (rare), ...
aka Demantoid, Grossularite, Tsavorite
The best known variety of green garnet is grossularite, which naturally occurs in green, yellow and brown. In the 20th century, a large amount of grossularite was found in Mali.
A gemmological examination revealed that what he had discovered was green grossularite, a mineral belonging to the colourful gemstone group of the garnets, and one which had only been found on rare occasions until then.
Almandite and almandite-pyrope solid solution garnets are the best abrasive types, but andradite, grossularite, and pyrope also are used.
All species of garnet have been used as gemstones.
--Gem- and specimen-quality white to pale green grossularite garnet occurs on Indian Creek in Siskiyou County and along Traverse Creek near Georgetown in Eldorado County.
Some examples of allochromatic gems are: beryl, corundum, quartz, grossular garnet, tourmaline, topaz, spinel and nephrite jade.
Tsavorite is a rare, deep green variety of grossular garnet, a type of garnet, calcium-aluminum silicate. The emerald green color comes from vanadium and chromium.
The most rare and valuable of the garnet species are tsavorite (green grossular) and demantoid (green andradite). Tsavorite--in a lively, strong, bright green color--can command several hundreds of dollars per cart depending on quality and size.
Grossular-Andradite are yellow or green, and Pyrope-Spessartine color changes to orange and pinky orange. Grossular also includes colors such as white, orange, yellow, green, and pink.
Hessonite belongs to the Garnet group, and is sub-categorized into a grossularite
Color: Brown-Red
Hardness: 6.5 to 7.5
Transparency: Transparent to Opaque ...
Overview: Tsavorite is the name given to the rich green variety of grossular garnet.TsaVorite is probably the King of Green Gemstones.The gem was first discovered in Tanzania in 1967 by Campbell Bridges.
Hessonite (also called "cinnamon stone") is a cinnamon-brown to orange gemstone variety of grossular garnet. Hessonite's formula is Ca3Al2Si3O12; manganese that gives it its characteristic brown color. This transparent stone has a hardness of 6.
An intense, emerald-like green grossular found only in Kenya and Tanzania. Its color is caused by the presence of vanadium and chromium. Moderately rare in fine stones above a carat or two. The name tsavorite is most popular in the U.S.
The term has been used in the past in many confusing senses, sometimes referring to a blue stone such a sapphire, and sometimes to reddish-brown grossular.
In fact garnet is a group of six closely related minerals: almandine, pyrope, grossular, spessartite, andradite, and uvarovite. In practice many garnets contain a mixture of two or more of these varieties.
African Jade: A large green grossular garnet mined in South Africa. It is not jade.
Agate: A type or chalcedony quartz that forms in concentric layers. Found in a variety of colors and very common in jewelry. ...
Tsavorite is the name given to dark green grossularite. Uvarovite and demantoid are also green varieties. Pyrope garnets are purplish red, orangy red, crimson, or dark red.
Tsavorite (or Tsavolite) is a member of the grossularite type of garnet.
The name of this magnificent vivid green stone comes from the Tsavo National Park in Kenya where it was first found, in the beginning of the seventies.
Garnet is a term used for a group of six minerals with similar characteristics: pyrope, almandine, grossularite, spessartite, andradite and uvarovite.
The names of these stones are cachemirine, grossular, Malaya, mandarin, etc. The places where this semi precious stone is found in abundance are United States, Myanmar, Nigeria, Switzerland, Australia and Brazil.
Garnet Stones are available in varieties named Grossularite, Pyrope, Almandine, Rhodalite, Andradite, Essonite, Tsavorite, Spessartite, Melanite, Allochroite, Ouvarovite and Demantoid.
Several page- Factsheet on the six garnets: Grossular, Spessartite, Almandine, Pyrope, Uvarovite and Andradite. Includes geological description of occurence of different Garnet varieties.
tsavorite - a transparent, nearly emerald green variety of grossular garnet found in mid Africa particularly Kenya (the Tsavo National Game Preserve). It was named Tsavorite by Tiffany & Co. in 1974.
Named varieties of Garnet include Andradite, Tsavorite, Grossularite, Essonite, Pyrope, Almandine, Spessartite, Melanite, Allochroite, Ouvarovite, Demantoid, and Rhodolite.
Gaspetite ...
This stone is actually part of a family of gems with mineral and color differences that include rhodolite, malaya, demantoid, grossular, hessonite, spessartite, almandine, mandarin, and combinations of these varieties.
Andradite: A garnet used as a gemstone of the grossular family consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black.
Other names/forms:
Pyrope, Grossular, Almandine
Most distinguishing features:
Crystal habit, colour and hardness.
Tsavorite is a rare and beautiful newcomer to the gemstone world. It is a green variety of grossular garnet. Compared to an emerald, tsavorite is harder, more durable, more brilliant when faceted, and much rarer.
Garnet has a number of varietal names depending on color and composition. Examples include almandite, pyrope, rhodolite, grossular, uvarovite, spessartine, andradite, and demantoid.
Bright yellow topaz, cinnamon coloured grossular garnets, the finest quality of matara diamond or zircon in colours of orange, brown, green, yellow and also colourless occur here.
There are six species of garnet - almandine (wine red), pyrope (brownish to orange red), spessartine (orange brown to golden brown - root beer color), andradite (yellowish brown to green), grossular (colorless to green, including yellow, ...
garnet (n) a family of minerals of varying colours. Differences in colour are determined by chemical composition. Types of garnet include pyrope, almandite, rhodolite, grossular, spessartite and demantoid. [buy garnet jewellery from Mochishop] ...
Don Swenson, a very prolific field collector from New Hampshire, showed me a beautiful grossular garnet on vesuvianite that he collected in Sanford, Maine. The previous collectors had overlooked the specimen and discarded it.
 See also: Garnet, Stone, Color, Mineral, Gemstone
  
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