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$198.00 USD

Prijs

Gesloten

18/10/2023 09:14 pm

Bekijk alle foto's (7)

$198.00 USD

Prijs

Gesloten

18/10/2023 09:14 pm

stars and gems

5356

CERT PARCEL NATURAL TOURMALINE GEMSTONES 19.80 CTS 0414

5356

SKU
Afmetingen (mm): 10.000 x 6.000 x 3.000mm
Gewicht (cts)
Certified Gemstones: Ja
Kleuren

PARCEL OF NATURAL PRECIOUS TOURMALINE GEMSTONES.

ORIGIN: PAKISTAN

CLARITY: SI1-SI2

GEM SIZE: LARGEST- 10 X 6 X 3 MM

SHAPE: MIX CUT- ROUND, OVAL, SQUARE, PEAR

TREATMENT: NONE, THIS GEM IS NATURAL

----------------------------------------------------------------------------------------------------------------

IN THIS AUCTION YOU WILL ALSO RECIEVE:

THE CERTIFICATE OF AUTHENTICATION OF THE GEMSTONE AND ALSO

A COPY OF THE GEMOLOGISTS' CREDITATION FROM THE GEMOLOGICAL INSTITUTE OF AMERICA

----------------------------------------------------------------------------------------------------------------

GEMOLOGIST INFORMATION:

COMPANY GEMMOLIGIST HAS CERTIFIED THIS TOURMALINE GEMSTONE AND CERTIFICATE INCLUDED WITH THIS GEMSTONE

AS NATURAL STONE ONLY, NO TREATMENTS.

MANSOOR RAHMAN GRADUATED FROM GEMOLOGICAL INSTITUTE OF AMERICA IN 1979

AND HAS WEALTH KNOWLEDGE ABOUT GEMSTONES AND ACTS AS CONSULTANT TO STARS AND GEMS

Tourmaline Gemology

Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored

Moh's Hardness: 7-7 1/2

Specific Gravity: 2.82-3.32

Refractive Index: 1.614-1.666

Double Refraction: -0.014 to -0.032

Fluorescence: Weak or none

Cleavage: Indistinct

Fracture: Uneven, small conchoidal, brittle

Crystal System: Trigonal. Long crystals with triangular cross section and round sides.

Bekijk alle foto's (7)

SKU
Afmetingen (mm): 10.000 x 6.000 x 3.000 mm
Gewicht (cts)
Certified Gemstones: Ja
Kleuren

PARCEL OF NATURAL PRECIOUS TOURMALINE GEMSTONES.

ORIGIN: PAKISTAN

CLARITY: SI1-SI2

GEM SIZE: LARGEST- 10 X 6 X 3 MM

SHAPE: MIX CUT- ROUND, OVAL, SQUARE, PEAR

TREATMENT: NONE, THIS GEM IS NATURAL

----------------------------------------------------------------------------------------------------------------

IN THIS AUCTION YOU WILL ALSO RECIEVE:

THE CERTIFICATE OF AUTHENTICATION OF THE GEMSTONE AND ALSO

A COPY OF THE GEMOLOGISTS' CREDITATION FROM THE GEMOLOGICAL INSTITUTE OF AMERICA

----------------------------------------------------------------------------------------------------------------

GEMOLOGIST INFORMATION:

COMPANY GEMMOLIGIST HAS CERTIFIED THIS TOURMALINE GEMSTONE AND CERTIFICATE INCLUDED WITH THIS GEMSTONE

AS NATURAL STONE ONLY, NO TREATMENTS.

MANSOOR RAHMAN GRADUATED FROM GEMOLOGICAL INSTITUTE OF AMERICA IN 1979

AND HAS WEALTH KNOWLEDGE ABOUT GEMSTONES AND ACTS AS CONSULTANT TO STARS AND GEMS

Tourmaline Gemology

Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored

Moh's Hardness: 7-7 1/2

Specific Gravity: 2.82-3.32

Refractive Index: 1.614-1.666

Double Refraction: -0.014 to -0.032

Fluorescence: Weak or none

Cleavage: Indistinct

Fracture: Uneven, small conchoidal, brittle

Crystal System: Trigonal. Long crystals with triangular cross section and round sides.

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