The origin of the fire agate is mainly concentrated in the United States, the Czech Republic, India, Brazil, Iceland, and Morocco. Because the fire agate is attached to the surface of the rock, it is rare, so its price is usually higher than the ordinary red agate, and the value is also high. The size of the finished product is proportional, that is, the bigger the fire agate is the more valuable!
The iridescence on the surface of the fire agate is caused by the internal limonite. The price of some fire agate is very high, mainly because of the degree of surface iridescence, the more beautiful the iridescent color, the higher the price, and the general surface of the fire agate can not see the iridescence, it needs to be polished to show the beautiful iridescent, but also There are still some iridescent after the fire agate is ground, but there are still some fire agates that do not need to be ground, and iridescent, large iridescent is still very rare.
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