3.05 CTS TOURMALINE-AFRICA [TRM2]SH

onderwerp informatie

Afmetingen (mm) 10 x 10 x 5.5mm
Gewicht (karaat) 3.05 karaat
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SEDAGEMS

Hardness:

7

Origin:

Nigeria

Treatment:

None

TOURMALINE BIRTHSTONE FOR OCTOBER.

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.

SEDAGEMS

Hardness:

7

Origin:

Nigeria

Treatment:

None

TOURMALINE BIRTHSTONE FOR OCTOBER.

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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Prijzen & Details

Bodverhoging $1
Openingsbod $375
Veiling-ID 532193
Watchers 7 kijken
bekeken 2,353 keren
begint 11th Nov 2021 8:25pm PST
Loopt af 12th Nov 2021 4:08pm PST

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Sedagems Details

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