0.51 ct AAA Fantastic Pear Shape (7 x 4 mm) Greenish Blue Tanzanite Gemstone

Description

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0.51 ct AAA Fantastic Pear Shape (7 x 4 mm) Greenish Blue Tanzanite Natural Gemstone
Mined From Earth! VVS Quality Greenish Blue Color Stone
100% Natural Genuine & Mined from Earth Gemstone !!!
Gem Type
Tanzanite
Color
Greenish Blue
Shape
Pear
Size (LxWxD)
7.36 x 4.39 x 2.69 mm
Weight
0.51 ct
Grade
AAA
Hardness
6.5
Luster
Excellent
Clarity
VVS
Treatment
Heated
Origin
Tanzania
RefractiveIndex
1.69-1.70
Specific Gravity
3.35
FL
IF
VVS1
VVS2
VS1
VS2
SI1
SI2
L1
L2
L3
L4
Flawless Internally
Flawless
Very Very Slightly
Imperfect
Very Slightly Imperfect
Slightly Imperfect
Imperfect
Opaque
Tanzanite
Mohs Hardness - 6.5-7 Found in - Mererani, Tanzania History - Tanzanite is a blue zoisite which is trichroic - meaning it often shows different colors when viewed from different directions. In 1967 a rich violet-blue transparent type of zoisite was discovered in Tanzania. The stone was named after this, the only country they are found, two years later. Tanzanites are now found in blue, green,yellow, pink, and brwon, but all will change to a blue color when heated. The stone was added to the official December birthstone list in 2004. It has a low resistance to ultrasound, therefore, do not clean with ultrasonic cleaner. Zoisite was first discovered by Baron von Zois in Austria, and called Saualpite. Metaphysical - thought to stabilize emotions, for grounding, security, brings happiness, enhances communicative abilities,
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