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Tanzanite Color Chart

Tanzanite Color Chart - Web tanzanite color grades & tanzanite grading chart. Tanzanite does not have this standardization, but most are bifurcated as follows. The name tanzanite is used for a color variety of zoisite that ranges from blue, through violet, to violetish purple. 6 to 7 treatments there are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. The gia does not issue gemological reports which state a tanzanite’s color grade. Learn more about gia tanzanite reports here… buyer beware! The mineral zoisite naturally occurs in a wide range of colors that include colorless, gray, yellow, brown, pink, green, blue, and violet. Web when a gemologist grades gemstones using the gia colored stone grading system, the gemstone’s color is graded using three components: Diamonds tend to have a standard grading chart, with grades for clarity, color, and cut. Web the tanzanite foundation clarity grading system.

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Understanding the GIA Color Grading Process For Tanzanite Tanzanite

Diamonds Tend To Have A Standard Grading Chart, With Grades For Clarity, Color, And Cut.

The system works by breaking down tanzanite color into 3 distinct components, hue, tone and saturation and then compiling a 3 part grade. Tanzanite does not have this standardization, but most are bifurcated as follows. The grade is scientifically based on a researched color wheel, seen further in the article and there are 3 components. The name tanzanite is used for a color variety of zoisite that ranges from blue, through violet, to violetish purple.

Web If You Look At This Chart You Will See How This Works.

The majority of tanzanites mined are light to medium purple and blue colored stones. Web tanzanite grading chart. Violet blue to bluish violet to violet purple refractive index: This color grading system and chart was developed by the tanzanite foundation, www.tanzanitefoundation.org the color quality is based on the degree of saturation with greater value placed on.

Web When A Gemologist Grades Gemstones Using The Gia Colored Stone Grading System, The Gemstone’s Color Is Graded Using Three Components:

Web the tanzanite foundation clarity grading system. The very finest grade shown demonstrates how intense saturation can go. Learn more about gia tanzanite reports here… buyer beware! This is not the same as top grade stones which have optimal mixes of tone and saturation.

This Chart Shows How These Grades Are Appled :

Web for example, a tanzanite graded as “vb 6/6” means: Hue + tone + saturation. The mineral zoisite naturally occurs in a wide range of colors that include colorless, gray, yellow, brown, pink, green, blue, and violet. The article below explains how the grades are given.

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