Quartz "crackle" under citrine (galtovka 25 - 30 mm) Brazil

The cost for the smallest sample .
The weight of the galtovka is from 17 to 31 grams
Size: 25 - 30mm - length
The cost varies from 195 rubles to 465 rubles per unit

Introducing quartz with an artificial "crackle" effect "
The effect of "Crackle" from (fr. craquelé, from craquer - crack).
Obviously transparent untreated or already tinted amethyst crystals were warmed up to a certain temperature.
Amethyst, when heated, lost its color and turned yellow, " turning into citrine "
Then the yellow quartz was lowered into cold water and a network of small cracks - craquelure - formed on its surface. Then the quartz was heated again, melting the sharp edges of the cracks and the "icy" surface sparkled inside.
But this is only an assumption of the use of this technology, not a fact. The diametrically opposite method or method may have been used.

Quartz under citrine is transparent with many iridescent iridescent flashes inside.
Whitish and milky misty enable missing.

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