avegaon
TIGER'S EYE 002 - (13,9x11,1x5,6cm) SOUTH AFRICA, Northern Cape Prov., Pixley ka Seme District, Siyancuma Mun., Griquatown, Tiger's Eye Mine
Find the precise Tiger's Eye Mine location using the "Map" option of this photo.
The Mines are located 2 miles to the west of the Griquatown.
For a long time Tiger's Eye was considered to form via replacement of fibrous mineral crocidolite with silica. In other words it was assumed to be a pure pseudomorph agate.
However, recent research [i] claims Tiger's Eye to be not an agate but a mineral formed by the so called "crack seal vein filling process", i.e. when crocidolite fibers were repetitive engulfed and encapsulated by the quartz instead of being replaced.
In effect, each band of glowing color represents a different crack that opened and was filled. Each band contains a new orientation of embedded crocidolite fibers that record minute rotations of the rock as it formed.
TIGER'S EYE 002 - (13,9x11,1x5,6cm) SOUTH AFRICA, Northern Cape Prov., Pixley ka Seme District, Siyancuma Mun., Griquatown, Tiger's Eye Mine
Find the precise Tiger's Eye Mine location using the "Map" option of this photo.
The Mines are located 2 miles to the west of the Griquatown.
For a long time Tiger's Eye was considered to form via replacement of fibrous mineral crocidolite with silica. In other words it was assumed to be a pure pseudomorph agate.
However, recent research [i] claims Tiger's Eye to be not an agate but a mineral formed by the so called "crack seal vein filling process", i.e. when crocidolite fibers were repetitive engulfed and encapsulated by the quartz instead of being replaced.
In effect, each band of glowing color represents a different crack that opened and was filled. Each band contains a new orientation of embedded crocidolite fibers that record minute rotations of the rock as it formed.