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How to Identify Real Ethiopian Opal from Imitations

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However, as their popularity grows, so does the number of imitations flooding the market. If you’re looking to buy Ethiopian opal, it’s crucial to know how to distinguish the real deal from synthetic or treated stones. Let’s dive into how you can tell if an Ethiopian Opal Stone is genuine or just a clever imitation.

1. Look for the Play of Color

  • Genuine opals: You’ll notice a vivid play of colour in various lighting conditions, and the colours will shift as you move the stone.
  • Imitations: Many imitation opals may appear to have colour, but it won’t be as vibrant or dynamic as the play of colour found in real Ethiopian opal Stone.

2. Surface Appearance and Texture

Ethiopian opals are typically known for their smooth, glossy finish, though the surface may have slight inclusions, which are natural. These inclusions, known as “fire,” are often small pockets or fissures inside the stone, and they contribute to the opal’s unique beauty.

  • Real Ethiopian opals: These opals usually have a smooth, almost glass-like appearance, but may feature internal inclusions or “pinfire” that gives them character.
  • Imitations: Fake opals, often made from plastic or glass, will have a more uniform texture and lack the irregularities or imperfections that are common in genuine Ethiopian opals.

3. Weight and Density

When handling an Ethiopian opal, you may notice that it feels light yet sturdy. Ethiopian opals are generally less dense than some other opals, such as the Australian variety, which makes them feel lighter in the hand.

  • Real Ethiopian opals: These stones tend to be lighter than other opals, especially compared to the heavier Australian varieties.
  • Imitations: Fake opals made from resin or glass tend to be heavier and feel more “plastic” when handled.

How to Test for Authenticity

Aside from visual and physical characteristics, there are a few practical tests that can help confirm if an opal is genuine:

1. The Water Test

When you drop a small amount of water on a genuine Ethiopian opal, the stone will absorb it and may appear darker or slightly more vibrant. This is a natural trait of hydrophane opals.

  • Real Ethiopian opals: When water is applied, they may darken and show more colour.
  • Imitations: Fake opals won’t show this effect and may not change in appearance when water is added.

2. Check for Surface Scratches

Real opals, especially Ethiopian opals, are somewhat soft compared to other gemstones, ranking 5.5 to 6.0 on the Mohs scale of hardness. If you gently scratch the surface of the opal with a fingernail, it should leave a small mark. If it doesn’t, it may be an imitation.

  • Genuine opals: You may notice small, superficial marks if scratched with a fingernail.
  • Imitations: Fake opals made from plastic or resin are usually harder and less susceptible to scratching.

Conclusion: Trust Your Senses and Knowledge

Identifying a real Ethiopian opal from imitations is about trusting both your visual senses and understanding the stone’s natural characteristics. Pay attention to the play of colour, texture, weight, and even perform simple tests to confirm authenticity. Buy the best opal stone you can buy at GemstonesForSale.

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