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4.25 CTS TOURMALINE -AFRICA [TRM4 ]SH
- SKU
- Dimensioni (mm)
- 10.150 x 11.100 x 5.700mm
- Peso (cts)
- 4.200
- Tipo
- Faceted
- Colori
-
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.
- SKU
- Dimensioni (mm)
- 10.150 x 11.100 x 5.700 mm
- Peso (cts)
- 4.200
- Tipo
- Faceted
- Colori
-
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.
Fornitore di spedizioni | Spedizione in :paese | Spedizione nel resto del mondo |
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FedEx | $12.00 / : giorni giorni | $39.00 / : giorni giorni |
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Registered Shipping | $9.00 / : giorni giorni | $16.00 / : giorni giorni |
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Positivo
Beautiful agate piece , and as always fast efficient service from Sedagems
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Positivo
Nice
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Positivo
Gorgeous stones, very happy
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Positivo
Gorgeous stone, very happy