Hawk’s eye = fine fibrous quartz AGGREGATE with blue-grey colour.
Partial pseudomorphic transformation of an asbestos mineral u.zw. KROKYDOLITH, by retaining the stem-like structure, in quartz.
With cut stones the famous ” CAT’S EYE EFFECT” is created.
The much better known tiger’s eye is formed from hawk’s eye by the incorporation of LIMONITE = second-grade IRON.
In our raw material you can partly recognize both varieties, i.e. hawk’s eye and tiger’s eye.
Location: Transvaal Supergroup – Bandet Iron Mine
Northern Cape – SOUTH AFRICA
Weight: 0.83 kilogram Dimensions: 10 x 8 x 6 cm
You will find further pieces from this lot in the category : RAWWARE NATURE