Flame and Frost Agates

These aren’t technically types of agate according to Mindat, but sometimes they will be described this way in rock shops or on rockhound websites.  And these pictures are so great I couldn’t possibly pass them up.  An agate with red, orange, or yellow plumes in just the right arangement can be called a flame agate, because it looks like fire.

Red, orange, and yellow plumes shooting up from a white and transparent agate matrix, looking like flames.

Photo by Vítězslav Snášel from http://www.mindat.org/photo-114774.html

Frost agate describes the cracked finish on these beads (again, it’s not a mineralogical term).  They can also be called cracked agate.  The frost effect is heightened when they are blue. Whatever they are, I would totally wear earrings made with these beads.


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