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$50.00 USD
Precio
7339
4

0.454 KILO TOURMALINE SPECIMEN MS1978

SKU
Dimensiones (mm)
x x mm
Peso (cts)
Certified Gemstones
No
Tipo
Specimen
Colores

TOURMALINE BIRTHSTONE FOR OCTOBER.

This is a stunning rubelite showing the dark" eye".It is well polished in a pyramid  shape with a dark top. It would look stunning in a ring.

NATURAL UN HEATED

MINED IN BRAZIL 

 MOHS SCALE 7-7.5

SIZE100X 85 X 45  MM

 

  Rubellite is the name given to dark pink to red tourmalines, especially those with reasonably saturated colors and medium to dark tones. Ruby red stones with little orange or brown overtones are the most highly sought after. GIA has traditionally classified rubellite, (along with Emerald,) as a Class III gem, meaning that it is almost always included. This is less true in recent years as deposits from certain regions of Africa yield much cleaner rough. Alas, these stones, so often tinged with brown, almost never approach the ruby like color of the best of those from older Brazilian deposits. Russia, Brazil, Madagascar, Nigeria and the US are productive sites for this gem.  

 

 

 

 Tourmaline is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline gem stones come in a wide variety of colors.Tourmaline has a variety of colors. Usually, iron-rich tourmalines are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink etc. Rarely, it is colorless. Bi-colored and multicolored crystals are common, reflecting variations of fluid chemistry during crystallisation. Crystals may be green at one end and pink at the other, or green on the outside and pink inside: this type is called watermelon tourmaline. Some forms of tourmaline are dichroic, in that they change color when viewed from different directions.

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mygems
Introducing MyGems, your ultimate online destination for exquisite gems and minerals. With over two decades of trading expertise in Australia, we bring you a curated selection of the finest treasures from around the world. Explore our collection and indulge in the beauty of nature's creations, all at MyGems.
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3732 de comentarios

  • youngergirl44
    youngergirl44
    Positivo

    Quick shipping with FedEx to the US. The artifact is exactly as described. So cool to own a bit of history like this!

  • youngergirl44
    youngergirl44
    Positivo

    Quick shipping with FedEx to the US. The stone has the polarization expected with real Iceland spar. I'm very happy with this purchase!

  • youngergirl44
    youngergirl44
    Positivo

    Quick shipping with FedEx to the US. It was well packaged. The one I received did have a small crack and chip in the lip, but stuff like that is expected with a natural material like this. I'm happy with my purchase.

  • guest345831
    guest345831
    Positivo

    Paid and shipped - no feedback left after 100 days

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Detalles de envío

Envío:
$15.00 :cuenta días a través de :proveedor
Se envía desde:
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Descripción general

Tipo de listado : Standard
ID del Producto : 371295
Empieza : 8th November 2024 06:00 pm PST
* Todos los precios están en :moneda