|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a natural untreated stone mined in Nepal with stunning sapphire blue colour.
Well polished.Natural stone.
The workmanship and finish is excellent
Length of earring 28 mm app
Weight of stones and silver 24.70 cts app
Kyanite is a polymorph with two other minerals; andalusite and
sillimanite. A polymorph is a mineral that shares the same chemistry but
a different crystal structure with another, or other, minerals. Kyanite
is an attractive mineral that has a near sapphire like blue color in
some especially nice specimens. Kyanite has a unique characteristic in
that it has a wide variation in hardness, in the same crystal.
The hardness of kyanite is approximately 4.5 when scratched parallel to
the long axis of the crystal and approximately 6.5 when scratched
perpendicular to or across the long axis. Other minerals usually have
variable hardness on different crystal faces due to a different
concentration and oreintation of the atoms in the structu
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