Gemstone Windows and Dark Patches: What to Look for in a Cut Gem

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AI-generated educational illustration. Conceptual only; not a photograph of an actual specimen or location. A coloured gem may have a pale, see-through centre or areas that look almost black. Both affect its appearance, but they do not have the same cause. What is a window? A window is an area where light passes through the gem instead of being returned towards the viewer. You may see the background through it, especially near the centre. Cutting angles and the material's refractive index—how it bends light—help determine whether this happens. There is no single ideal depth for every gemstone. Why dark patches need a closer look Darkness can have several causes. The material may absorb a lot of light. Some facets may reflect dark surroundings or the observer. Extinction is another cause, involving light that is not returned to the viewer after internal reflection. For that reason, calling every black patch “extinction” can be misleading. A simple viewing routine Look at the gem fac...
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Scam: Red glass sold in the name of Mediterranean waters natural red coral 

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Unveiling the Deception: Artificial Red Glass Masquerading as Red Ox Blood Coral

Introduction

The artificial red glass sold as genuine red ox blood coral from the Mediterranean can deceive even the most discerning eye at first glance. However, a closer inspection reveals significant differences between the two.

The Illusion of Mediterranean Red Coral

Discerning Features of Deception

  1. Bubbles and Pits: Natural red coral is characterized by its wavy parallel fibrous structures. In contrast, artificial red glass exhibits irregular bubbles and pits.

  2. Surface Texture: Authentic red coral has a smooth and polished surface. The artificial glass lacks these intricate details, making it easier to identify upon closer examination.

Spread Awareness

Share this eye-opening revelation with others to prevent falling victim to deceptive practices where artificial red glass is sold as prized red coral.

SEO Keyword Research

Identifying Relevant Keywords

To attract potential visitors, it's crucial to identify relevant keywords and phrases. Utilize tools like Google Keyword Planner, Ahrefs, SEMrush, and Ubersuggest.

  • Primary Keywords:

    • Red Ox Blood Coral

    • Artificial Red Coral

    • Genuine Mediterranean Coral

  • Secondary Keywords:

    • Coral Jewelry

    • Coral Identification

    • Fake Coral Detection

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