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DIMENSIONS:

5.30 x 5.30 x 4.0 mm

5.25 x 5.25 x 3.8 mm

Tanzanite is a rare, vibrant blue-to-violet gemstone, a variety of the mineral zoisite, and is exclusively found in the Merelani Hills of Tanzania, Africa. This unique gem is prized for its striking color, which can display different hues depending on the viewing angle due to a property called pleochroism.

Key characteristics of tanzanite:

Color:

Ranges from pale blue to intense ultramarine with violet undertones, and can exhibit different colors (brown, blue, violet, or even reddish-purple) when viewed from various angles. Heating is often used to enhance its blue-violet color.

Origin:

Exclusively mined in one location: the Merelani Hills in Tanzania, making it a rare and valuable gemstone.

Properties:

It has a hardness of 6.5 to 7 on the Mohs scale, making it relatively softer than some other gemstones and requiring careful handling, especially in jewelry like rings. It is also sensitive to temperature changes.

Significance:

It is considered a December birthstone and is associated with the zodiac signs Sagittarius and Capricorn. It is also traditionally given as a gift for a 24th wedding anniversary.

Imitations:

While naturally occurring tanzanite is precious, it can be imitated by other gemstones like cubic zirconia.