Spessartite Garnet - 2 for $5

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Spessartite is an orange to orange-red form of the gemstone Garnet. The term Garnet describes a group name for several closely related minerals that form important gemstones, and Spessartite is an individual member mineral of the Garnet group. Spessartite is synonymous with Spessartine, though in the gem trade the name Spessartite is more frequently used, and in the mineral trade the term Spessartine is more frequently used. The term Spessartite is often identified together with the Garnet name and called Spessartine Garnet in the trade.

Natural Spessartite has an orange color, but iron impurities are usually present, which give it an reddish-orange or brownish-orange color. Pure orange Spessartite is not common; reddish, brownish or yellowish tints are frequent. Its most desirable color is a fiery-red with slight orange tints. Spessartite has an exceptionally high refractive index, giving cut Spessartite gemstones a special brilliance.

Once fairly uncommon in gem-grade transparent specimens, many new deposits of large facetable Spessartite crystals with excellent color have been discovered, are are making this form of Garnet more readily available and mainstream. A very important deposit of this gemstone was discovered in the 1960's in the Umba River Valley of Tanzania and Kenya. The trade name of Malaya Garnet (or Malaia Garnet) was coined to describe these new African Garnets. Malaya Garnets are not pureSpessartite, but are intermediary between Spessartite and Pyrope, though closer in chemical composition to Spessartite.

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