Bi Color African Tourmaline. Excelent Cut and Clarity (Inclusions only visible under loupe) in Bi Color Orange Pink Tourmaline from Mozambique (African Tourmaline). Portuguese Cut. 2.14 ct. Magnificent piece for jewlery!
WEIGHT : 2.14 ct.
SIZE : 7.62 * 7.52 * 5.68 mm.
SHAPE : Round
COLOR : 4. (rO) reddish Orange
TONE : 4. Medium light
SATURATION : 3. Very Slightly Brownish / Grayish
CLARITY GRADE : Slight
CUT GRADE : Excellent
TREATMENT : Untreated
HARDNESS : 7 - 8
Inclusions type : Healed fractures. Two-phases inclusions. Trichites.
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Tourmaline is the name for a group of related mineral species, with a very complex chemical composition. The name is derived of the word “tourmali”, this word in singhalese was used for colored gems, mostly zircons.COLOR: The most important
The most expensive color varieties are Paraiba Tourmaline (vivid green and blue with copper bearing), Rubellite (vivid bright red), Indicolite (blue), Chrome Tourmaline (intense green) and Bicolor. The saturated colors have high demand, in the last years the less saturated colors (soft pink tourmalines) have become popular.CUT & SIZES
Tourmaline is often cut into rectangular shapes because of its prismatic crystal habit, however Tourmaline's gems offer a huge variety of cuts: oval, round, emerald, pear, heart, trillion, fancy, cabochon, etc. Cat's eye tourmaline is cut into cabochon, and watermelon tourmaline is often cut into slices. Tourmaline is available in large sizes, however Paraiba tourmaline are common small sizes, as are Chrome Tourmalines or Rubellite.CLARITY & INCLUSIONS
Typical inclusions: Interconnected two-phase inclusions typical for tourmaline ("trichite"), film-like liquid inclusions, parallel oriented hollow tubes, needle-like mineral inclusions and fractures.
MdMaya Gems uses the following clarity scale when grading gemstones.Setting aside translucent and opaque gemstones, the first classification to take into account is:
CLARITY GRADES:EYE CLEAN: Appears clean to the unaided eye. (Type 1, 2 and 3)
SEVERELY INCLUDED: prominent inclusions that have a severe effect on appearance or durability or both. (Type 1, 2 and 3).
NOTEAll our gemstones have been analyzed by a qualified gemologist. Each precious stone comes with a gemological certificate to guarantee its authenticity, as well as describing its unique characteristics.
If you are interested in obtaining more information about this gemstone, CONTACT US and we will respond as son as possible.