Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. [3] . Tanzanite belongs to the epidote …

Tanzanite is like all other gems in that small stones are more abundant than larger stones. Most faceted tanzanites are under five carats in weight. Stones over fifty carats are very rare. Small …

Tanzanite is a birthstone for December, along with zircon, turquoise, and blue topaz. Tanzanite is also the gem for a 24th anniversary. Tanzanite has only one source: the hills of Merelani in …

Although naturally reddish brown, this transparent zoisite variety achieves a stable, beautiful blue to violet color with heat treatments. By Joel E. Arem, Ph.D., FGA, Barbara Smigel, PhD. GG, …

2019年5月19日 · Tanzanite is a calcium aluminium hydroxyl silicate and belongs to the silicate family. It’s also known as Blue Zoisite. It was Tiffany and Co. that renamed it to Tanzanite as a …

Tanzanite is a powerful gemstone primarily associated with transformation, communication, and spiritual growth. The color-changing nature of tanzanite represents transformation, making it a …

2024年7月18日 · Tanzanite is a captivating gemstone known for its striking color and rarity. It is a variety of the mineral zoisite and exhibits a unique blue-violet hue, making it highly sought …

The majority of tanzanites mined are light to medium purple and blue colored stones. However, the gem is generally famed for the small number of intensely saturated, bluish-violet stones …

Tanzanite is the violet blue to blue violet variety of the mineral zoisite. It is mined commercially only in one area of the world: the Merelani Hills of Tanzania, which is where it gets its name. …

2024年12月2日 · From its distinctive violet-blue hue to its single-location source, Tanzanite is one of the most remarkable stones ever discovered.