AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bolivia > Quartz var. Ametrine (sawn to show alternating amethyst-citrine zones within a single crystal)

Quartz var. Ametrine (sawn to show alternating amethyst-citrine zones within a single crystal) from Anahi Mine, La Gaiba District, Angel Sandoval Province, Santa Cruz Department, Bolivia

DESCRIPTION:	No. 63788
Mineral:	Quartz var. Ametrine (sawn to show alternating amethyst-citrine zones within a single crystal)
Locality:	Anahi Mine, La Gaiba District, Angel Sandoval Province, Santa Cruz Department, Bolivia
Description:	Large slice of a single quartz crystal exhibiting alternating purple amethyst and yellow citrine zones. These combination amethyst-citrine crystals, called Ametrine Quartz, are due to differential coloring in left- and right-hand phases of the quartz.
Overall Size:	8x8x1 cm
Crystals:
Archived:	For reference only

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