Mineral: Quartz
Locality: Araçuaí, Vale do Jequitinhonha, Minas Gerais, Brazil
Dimensions: Crystal size 13 cm

Description: A translucent to transparent quartz crystal that looks like an "ordinary" smoky quartz in normal daylight, but the backlight reveals the colour so you could call it a citrine. The light behind is white (not yellow!), the inner colour you see on the photo is very close to how it really looks when backlit.

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