Loose Tanzanite oval cabochon gemstone 7ct Natural loose stone orders 12x10mm

• Stone name: Tanzanite
• Color: Blue
• Clarity: Inclusions visible to the naked eye
• Shape: Oval cabochon
• Size(LxWxH in mm): 11.91 x 9.82 x 6.44
• Weight: 7.04 ct
• Hardness (Mohs scale): 6.5-7
• Origin: Tanzania
• Treatment: Heated
• SKU: TA7 B
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Natural Tanzanite loose gemstone cut and polished into a smooth oval cabochon. This lovely stone has a blue colour with violet hues and will be perfect for a ring or a pendant.

All Tanzanites traded in the market are heat treated. Heat treatment, which is a stable and irreversible procedure, is considered to be a natural type of enhancement as it is a continuation of the processes that occur into the earth.

Due to its hardness, Tanzanite is suitable for all-purpose in jewelry
Tanzanite is named after Tanzania (the only orders known source for this lovely gemstone) and it's the rare violet-blue gem quality variety of the Zoisite mineral group.
This gemstone is routinely heat-treated to eliminate yellow, grey and brown tints.
Tanzanite is the birthstone for the month of December.


NOTES:
• All photos are taken in natural daylight with a macro lens in order to better capture details and to obtain sharper pictures. Magnified pictures though show flaws or inclusions/imperfections that are actually Not visible by the naked eye.
• Please note that colours may vary slightly due to the colour calibration of each individual monitor.
• All my gemstones and beads are natural unless otherwise stated in the listings.
• Items may appear larger in pictures to show details, so please refer to the size or measurement in product descriptions

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