Collane artigianali in oro, diamanti e acquamarina
Natural aquamarine necklaces are of different shapes (oval choker, octagonal choker, drop choker) and diamonds with brilliant cut. The choker is handmade with 750 gold (18 ct.) the light blue color of the aquamarine set in the choker and the white of the diamond make a lively combination which reminds the color of the sea. Aquamarine is a variety of beryllium. Cut aquamarine are usually thermally treated (aquamarines heated at more than 400° get intense everlasting blue color). Aquamarines are used for extraction of beryllium, for gemological and decorative field, for collecting market and eventually for crystal-therapy. Hardness, origin and color are considered the bases for classifying aquamarines for matrix. In spite of aquamarine is considered the commonest mineral which supplies blue-chip precious stones, those minerals have charm and color which make them unique.