|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a well polished carving reay to be set in jewellery.
TOURMALINE BIRTHSTONE FOR OCTOBER.
NATURAL UN HEATED
MINED IN BRAZIL
MOHS SCALE 7-7.5
WEIGHT 6.6 CTS
SIZE 20.5X 9 X 4.3 MM
This stone does have natural lines in the stone but the carving is still strong enough to be set in jewellery and it dosent detract from the beauty of the stone..
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.
|Starts||27th Jul 2017 11:02pm PDT|
|Ends||29th Jul 2017 11:00pm PDT|
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