NATURAL STAR SUNSTONE SQUARE CAB 1.40CTS

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NATURAL SUNSTONE

APPROX WEIGHT: 1.40CT

SHAPE: SQUARE CAB

SIZE: 6.00MM X 6.00MM

COLOUR: SHINY ORANGE

CLARITY: TRANSLUCENT

LUSTURE: GOOD

ORIGIN: NAMIBIA

HARDNESS: 6

TREATMENT: NATURAL

PIECES: 1

Sunstone is a rich golden or reddish brown colour, with plays of red yellow and orange light, sometimes also with green, caused by the inclusion of microscopically thin plates of goethite or hematite. In common with other feldspar gems, it displays a schiller of coloured light, caused by inclusions or its crystal structure creating interference effects of light. Sunstone must contain 70-50% Sodium to 30-50% Calcium in its crystal structure. Sunstone is absolutely natural, never treated and with the same hardness as Tanzanite (6.5), it is ideal for Jewelry. While it is apt to compare Tanzanite and Sunstone because of their hardness, Sunstone is far rarer. Although Tanzanite is a thousand times rarer than Diamonds, comparatively there are only a few hundred good quality Sunstones for tens of thousands of Tanzanite.

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