Diamonds and zircons are both highly valued in the jewelry market, but they are distinct in many important aspects. Understanding these differences will help you make better choices and avoid potential scams, ensuring you get the value you deserve for your purchase.
Origin and Formation:
Diamonds originate from the Earth's mantle and are brought to the surface through volcanic activity. On the other hand, zircons are commonly found in igneous and metamorphic rocks and can also be present in sedimentary deposits. These geological differences contribute to the unique properties of each gemstone.
Density and Weight:
Diamonds have a relative density of 3.52, whereas zircons have a higher density of 4.73. This means that for the same size, zircons will feel heavier than diamonds. This property can be used as a distinguishing factor between the two.
Practicality and Use:
Diamonds are highly valued for their exceptional hardness, brilliance, and rarity, making them ideal for high-end jewelry. Zircons, although also used in jewelry, are typically found in more affordable pieces. Some low-grade zircons contain radioactive elements, particularly bright orange ones, which can be harmful if worn as jewelry, highlighting a significant practical difference between the two.
Refractive Index and Optical Properties:
Diamonds boast a higher refractive index (2.42) compared to zircons (1.93-2.01), resulting in superior brilliance and fire. Moreover, zircons exhibit double refraction, causing a noticeable doubling of facets under magnification, a feature absent in diamonds.
Oil Affinity and Thermal Conductivity:
Diamonds are oleophilic, meaning they can absorb oils, unlike zircons. This characteristic can help distinguish between the two. Additionally, diamonds have high thermal conductivity, allowing them to dissipate heat quickly. This can be tested by breathing on the gemstone and observing how fast the condensation clears; diamonds will clear much faster than zircons.
Conclusion:
While both diamonds and zircons are popular choices for jewelry, they possess significant differences in terms of hardness, composition, origin, density, practicality, refractive index, oil affinity, and thermal conductivity. Being aware of these differences can help you make more informed decisions and avoid potential fraud.
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Zircon jewelry of Kiwified Emerald