KYANITE PENDANT 19.40 CTS [SJ259]

物品信息

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SEDA JEWELLERY

KYANITE SILVER PENDANT

This is a natural stone  mined in Brazil stabilized and well polished.

The workmanship and finish is excellent

Silver stamped 925

Weight of silver and stone 19.40 cts app

Size of stone 24 x 21 x 4 mm 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 structure

SEDA JEWELLERY

KYANITE SILVER PENDANT

This is a natural stone  mined in Brazil stabilized and well polished.

The workmanship and finish is excellent

Silver stamped 925

Weight of silver and stone 19.40 cts app

Size of stone 24 x 21 x 4 mm 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 structure

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开始竞标 $20
拍卖编号 560430
观察者 9观看
已查看 1,514次
开始 9th Jun 2020 7:00pm PDT
完结 10th Jun 2020 4:09am PDT

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