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Garnet Introduction
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The Garnets are a group of
mineral species all having essentially the same crystal structure but
varying in chemical composition, physical properties and colors. Other
than the Quartz family, the Garnet family is the most diverse of all the
gem mineral families. Garnets very rarely occur in nature with their
compositions precisely matching their “Pure Ideal”. A natural Garnet's
composition typically falls somewhere in between the pure ideals of other
Garnet members. |
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While the following table
provides a breakdown of the Garnet family, the colors of specific
varieties are covered in “Just The Facts”. |
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Legends & Lore |
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Garnets, with a history
spanning more than 5,000 years, come from the Latin word for seed, “Granatus”.
Garnet was named because of its similar color to pomegranate seeds. |
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Pomegranate's associated
symbolism with Garnets has been longstanding. Interestingly, several
ancient pieces of jewelry have been unearthed that are studded with tiny
red Garnets in cluster-like patterns reminiscent of pomegranates. The
pomegranate is associated with eternity in Greek Myths. After Hades
abducted Persephone, Zeus commanded him to release her. |
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Hades had no choice but to
let her go. Nevertheless, he was eager to persuade Persephone to return.
Before her departure, Hades gave Persephone a pomegranate. She willingly
accepted this gift and Hades knew that once she tasted the sweet ripened
seeds she would return. Persephone returned to Hades for three months of
every year causing winter. This myth has resulted in Garnets being a gift
symbolic of love's attraction and has also given rise to the belief that
Garnets are capable of healing broken bonds between lovers. |
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Garnet has long been
associated with fire, and was thought to possess the ability to illuminate
the sky at night. Today, Garnets remain a symbol of faith, truth and
light. This story from Grimms fairytales nicely presents this association
– Once upon a time an elderly lady came upon an injured bird. Taking the
bird home with her, she nursed it back to health until one day it flew
away. Although the lady thought she'd never see it again, it returned to
her house with a Garnet that she put by her bedside. To her surprise, she
awoke every night to see it shinning as bright as a torch, illuminating
the bird’s gratitude for her kindness. |
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According to Christian
belief, during the Great Flood a radiant Garnet guided the way for Noah,
ultimately leading his ark to salvation. For Muslims they illuminate the
fourth heaven. |
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Garnet jewelry was buried
with Norseman to light their passage to Valhalla and was also used to
light the palace of Abyssinia’s monarch. |
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The Crusaders set Garnets
into their armor, believing their power would lead them to safety. During
the Middle Ages Garnet was also believed to draw out negativity, ward off
harm and increase well-being, chivalry, loyalty and honesty. |
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To receive a Garnet as a
gift in the Middle Ages was considered good luck, however, if ever stolen,
bad luck to the thief! It was also believed that a Garnet’s loss of luster
was a sign of impending doom. |
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Although Garnet was the “fashion gem” of the Eighteen and Nineteenth
centuries, the inadequacy of available chemical tests often resulted in it
being confused with dark ruby. Jewelry set with garnets from
Czechoslovakia was particularly admired, and although today the Garnets
are mined elsewhere, Bohemian style Garnet jewelry has retained its
popularity. |
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In 1912 Garnets were made
the official birthstone for January by the American National Association
of Jewelers. It is also the gemstone for Aquarians and a traditional gift
for 2nd and 6th wedding anniversaries. |
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Just The Facts |
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Even though there are many different types of Garnets, appearing in as
many colors, when you say “Garnet” most people automatically think of
small dark red gemstones. In fact, Garnets offer enough variety for every
taste as well as every pocket! |
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While most reliable sources
state that there are 29 varieties of Garnet, there are numerous trade and
historic names for Garnet. The following list includes all the major
scientific and trade names: |
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Champagne Garnet
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Some of the best Color Change Garnets are mined from a deposit in Bekily,
Southern Madagascar. Color Change Garnets from this mine are well known
for their strong Alexandrite like color change. Other well known sources
of Color Change Garnet are Songea and Tunduru in Tanzania. |
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Demantoid Garnet |
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Commonly known as
“Horsetail” inclusions, some Demantoid Garnets have golden byssolite
strands that form beautiful patterns similar to the tail of a horse.
Demantoids with prominent horsetail inclusions are particularly valued. |
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Small-scale mining recommenced in Russia in 1991. Today, most Demantoid
Garnets are sourced from relatively new deposits beneath the scorched
desert sands of Namibia. |
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Hessonite Garnet |
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Popular for thousands of
years, the ancient Greeks and Romans used it in jewelry, cameos and
intaglio (i.e. a figure cut into a gem, so as to make the design depressed
below the surface; whereas in a cameo the relief is risen above the
surface). Interestingly, its name comes from the Greek word “Esson”,
meaning “Inferior”, because it is softer than other Garnet varieties. |
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Widely used in Vedic
astrology, Hessonite is known as “Gomedha” in Hindi. The ancient Hindus
believed that Hessonite was formed from the fingernails of the great demon
Vala, which were scattered in the lakes of the East. Vedic astrologists
believe that when set in gold, Hessonite is a powerful talisman that
increases your lifespan and happiness. |
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Hessonite is common in the
gem gravels of Sri Lanka and practically all Hessonite is obtained from
this locality, although it is also found in Africa. |
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While the clearest gems are
most prized, inclusions in Hessonite are common, with unique treacle-like
streaks giving Hessonite an oily or even glasslike appearance. |
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Malaia Garnet |
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Malaia Garnets are available in numerous
shades of orange, ranging from soft peach to intense reddish orange. |
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Mali Garnet |
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Mali Garnet is one of the latest discoveries in the
Garnet family. Mali Garnet is an attractive and very interesting rare
mixture of Andradite and Grossular that was only discovered in late 1994
at the Sandaré Mine in Mali’s Kayes Region (Diakon Arrondissement).
Extremely rare, Mali Garnets are a bright, uniform light yellowish green
color. |
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Mandarin & Spessartite Garnet |
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In 1991 Mandarin Garnets were discovered
embedded in mica in Northwest Namibia where the Kunene River borders
Namibia and Angola. In 1994 new deposits were unearthed in Southwest,
Nigeria. Soon after, Tanzania, the powerhouse of African gems, yielded
deposits at the fabled gemstone mines of Arusha and Lelatema. |
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Although initially called “Kunene Spessartine”
or “Hollandine”, the evocative name “Mandarin Garnet” was soon adopted. |
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Merelani Mint Garnet |
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Long regarded as a source of the finest
colored gems,
it is no surprise that Tanzania is home to some of the world’s most
coveted Garnets. Displaying stunning mint greens, luster, sparkly
brilliance and excellent durability, Merelani Mint Garnet is a relatively
new rare gemstone whose popularity is only limited by its scarcity. |
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Named for its color and
where it is mined, Merelani Mint Garnet was first discovered around 1998
in the same area as Tanzanite (Merelani Hills, Umba Valley, Lelatema
Mountains, Arusha Region). Merelani Mint Garnet is basically a different
hue of its better known relative, Tsavorite Garnet (i.e. Grossular
Garnet). Extremely scarce, Merelani Mint Garnet is always relatively small
in size (i.e. under 1 Carat) and is usually included with bubbles and/or
silk. Not surprisingly, when clean Merelani Mint Garnet increases in
rarity and value. |
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Formed in metasomatic (i.e. the process by which the
chemical composition of a rock is changed by interaction with fluids)
conditions it is typically extracted directly from metamorphic rocks and
similarly to Tanzanite, it is found in association with Graphite. |
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Stunning green Garnets have historically always been in
very high demand and Merelani Mint Garnet is coveted for a very good
reason – few Garnets have such a sparkly appeal. |
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Mozambique Garnet |
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Pyrope Garnet |
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Rhodolite Garnet |
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Rhodolite is typically
found as water worn pebbles in alluvial deposits but it is also
occasionally mind directly from host metamorphic rock. The most
spectacular Rhodolite is mined in Sri Lanka, Zimbabwe, and from a
relatively new deposit in the Kangala area of Tanzania that was discovered
in 1987. Since then gorgeous raspberry hued Rhodolite has been found in
other regions of Tanzania including Ruvuma, Mtwara and Lindi. |
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Due to its bright transparent clarity,
Rhodolite is often cut into fantasy shapes. |
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Tough, durable, never enhanced and easily
cleaned, Rhodolite is ideal for jewelry. |
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Color is the most
important characteristic when evaluating Rhodolite. The color must be
intense and uniform with a tone that is not too light or too dark.
Rhodolite should be eye clean with minimal inclusions under magnification. |
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Star Garnet |
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Tsavorite Garnet |
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Some 37 years after its
discovery, Tsavorite has comfortably established itself as one of the
world’s most beautiful, precious and desirable gemstones. Tsavorite
Garnet, comparable in scarcity to demantoid garnet, is extremely rare. It
is so rare that it might be unavailable in future years. |
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Tsavorite’s beautiful green hues are
similar to the very best Emeralds. Its brilliant green colors have
overcome its lack of romantic lore and ancient history. |
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First discovered in 1967 by
the now legendary Scottish geologist, Campbell R. Bridges, Tsavorite has
quickly found favour as a precious colored gem of choice. Bridges first
discovered Tsavorite in Tanzania, but in those days getting an export
license to take the gems out was impossible. Bridges aided by the local
Masai and Kikuu tribesmen persisted in his search, but this time turned
his attention to the neighboring country of Kenya. In 1971 Bridges
discovered Tsavorite for a second time in Kenya’s Tsavo region. |
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Life in Africa’s bush is dangerous and the
Tsavo region is well known as the domain of man-eating lions and poachers,
so in order to protect himself from predators and brigands, Bridges was
forced to live in a tree house. And as he didn’t want his treasure to be
stolen, he cunningly used the local’s fear of snakes by placing a python
in amongst the Tsavorite rough. This time Bridges legally registered his
mining project and started exporting. |
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Bridges frontier spirit had cleared the way
for other mining interests and soon the area was host to hundreds of
different mining operations. |
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Tsavorite eventually found its way to America
where Henry Platt of Tiffany & Co. named the gemstone, basing its name on
the famous Tsavo National Park in Kenya. Tsavorite took the world by storm
and interest increased dramatically when in 1974 Tiffany’s started a
special campaign promoting Tsavorite making it well known in the U.S.A. |
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Promotional campaigns followed, and soon the
global demand for Tsavorite reached epic proportions. |
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East Africa is home to an ancient gemstone
belt that stretches over a vast area. This phenomenon is due to the fact
that millions of years ago, Eastern Africa was covered by a huge ocean,
overtime layers of organic sediment were deposited that eventually formed
shale. |
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This sedimentary residue was subjected to
intense heat and pressure, compacted, folded and shaped by the movements
of Earth’s tectonic plates. The twisting and torturing of the rocks
eventually gave birth to new and amazingly beautiful gemstones, among them
Tsavorite. |
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At one time Tsavorite was being mined from 40
different areas throughout Tanzania and Kenya, of these only four mining
ventures are still producing commercial quantities. While some 50 deposits
have been found in Kenya, Tanzania, Madagascar and even Zambia, only a
handful of small mines produce commercially viable quantities. However,
new Tsavorite deposits have been found in the Lokirima area, about 1,600
miles Northwest of the earlier known localities. Although this locale is
at present producing small quantities of gem quality rough, the
possibility of finding Tsavorite over a wider area than previously thought
looks promising. And with an increasing amount available, more and more
retail jewelrs are taking stock of this beautiful gemstone, but
Tsavorite’s widespread availability is not guaranteed 100%. |
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Production is highly unpredictable with large
crystal sizes seldom being recovered – all helping to add to the
gemstone’s cachet as a genuinely rare jewel. Most Tsavorite tends to be
less than 3 Carats in size, fine gemstones over 5 Carats are destined for
private collections. |
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Tsavorite is cut into a
variety of shapes and styles, and while oval and cushion cuts are the most
common it’s also available in Rounds, Trilliants and Emerald Cuts. At its
best Tsavorite Garnet exhibits a vivid emerald green; this intense
coloration is due to the presence of Vanadium in the host rock. |
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Like all Garnets, Tsavorite
possesses few inclusions and a high index of refraction, resulting in
superior brilliance and transparency. |
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Umbalite Garnet |
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