The Splendor of Flames in Glass Texture: Fire Opal

* * The Splendor of Flames in Glass Texture: Fire Opal * *

In mineralogy and mineral deposition, Fire Opal is a distinctive and fascinating gem, with vibrant colors shining like flames or living coal. This beauty challenges the idea of common opals that are often white or dark brown. Understanding fire opal requires geological knowledge and views from experienced collectors.

* * Definition and characteristics of fire opal * *

Fire opal is classified as a 'semi-mineral' (Mineraloid) group. It is characterized as an amorphous substance (Amorphous) without a crystal structure. The main structure is composed of aqueous silicon dioxide. In water, there are between 3% and 21% molecules, which affects the stability of the mineral.

* * Interesting feature * *

1. * * Hardness * *: Levels 5.5 to 6.5 may be quite fragile.

2. * * Specific Stability * *: 1.99 to 2.25, which is lighter than conventional gems.

3. * * Transparency * *: Found from translucent to clean transparent

* * Quality and valuation * *

The evaluation of opal fire in the international market is determined by:

- Basic color and color consistency

- Transparency and blame

- Color play phenomenon

* * Rarity in today's market * *

Opal Fire origin is famous from Mexico and Ethiopia. Market appraisal can be between 500 and 30,000 baht per carat, depending on quality.

* * Preservation method * *

Fire opals are sensitive to changes in temperature and humidity, so they have to be careful with storage to maintain the magnificence and value of the ore.

The fire opal collection is therefore a fascinating preserve of geological traces, full of energy and history. Let's invite everyone to the ore collection!

By Bunchong Tientong 8 Mar 2026