How To Judge The Quality Of Tanzanite Gemstone
Finding the quality of a tanzanite gemstone requires need of several important factors. Here are give some general factors to help you evaluate their quality:
1. Color
Shade: The best tanzanite gemstones display a deep, vibrant blue with a hint of violet. The richer and more vibrant the color, the better.
Saturation: High quality tanzanite has rich color saturation. Stones that are too light or too dark will have less value.
Pleochroism: Tanzanite appears in different colors (blue, purple, and sometimes burgundy) when viewed from different angles. The most preferred stones show blue and purple pleochroism.
Read More- A-Z Guide of Cabochon Gemstones
2. Fact
Inclusions: High quality tanzanite should have very few inclusions visible to the naked eye. Its inclusion affects the overall appearance and value of the stone.
Transparency: A gemstone should be transparent and allow light to pass through unobstructed. Clear and transparent tanzanite is considered more valuable.
3. Cut:
Proportions: The cut must be smooth to increase the color and shine of the stone. A good cut brings out the best optical quality of the gemstone.
Symmetry: Faces should be symmetrical and similar. Asymmetry can negatively affect the gemstone's appearance and value.
Polish: Good tanzanite should have a smooth, polished surface free of scratches or marks.
4. carat weight
Size: Larger Tanzanites are rarer and therefore more valuable. However, color quality and clarity should not be affected by size.
5. History
Source: Tanzanite is mined only near Mount Kilimanjaro in Tanzania. I can influence the price by knowing the source and making sure it comes from a reputable brand.
6th Certificate
Read More-
Gemstone Cutting Process
Introduction of Gemstone
Information Of Birthstones And Origin
Journey of a Gemstone from Extraction to Polished Jewel
6. Certification
Authenticity: Always seek certification from a reputable gemological laboratory (e.g. GIA, AGS). The certificate guarantees the authenticity and quality of the gemstone.
7. Treatment
Heat treatment: Most tanzanite is heat treated to improve its color and this treatment is very important treatment for the all types of cabochons and gemstones. it's a very common practice in the industry. Make sure to describe the treatments, as untreated gemstones are rarer and important.
Other Treatments: Be aware of other treatments such as plating or painting that may adversely affect the cost and performance of the stone.
8. All appearances
Luster: High quality tanzanite should have a strong luster and reflect beautiful light.
Balance: A holistic assessment of a gemstone, taking everything into account. A balanced tanzanite will have harmony of color, clarity, cut, and carat weight.
Summary
When determining the quality of a tanzanite gemstone, focus on its color, clarity, cut, and carat weight, but also consider its history, processing, and certification. Top-quality tanzanite has deep, beautiful color, high transparency, excellent cut, and minimal inclusions. A certificate from a recognized gemological laboratory confirming the gemstone’s authenticity and quality. if you want knowledge and buy about of more gemstone online so visit our website at Cabochons4sale
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