925/000 silver Markasite set with Australian Jade (pendant, ring & earrings) from Prestige.

925/000 silver Markasite set with Australian Jade (pendant, ring & earrings) from Prestige.

925/000 silver Markasietset (Victorianstyle) with Turquoise (pendant, ring & earrings).

925/000 silver Markasietset (Victorianstyle) with Turquoise (pendant, ring & earrings).

925/000 silver Markasite set with real Turquoise (ring, earrings and pendant) from Prestige.

For the 2020 collection, Prestige not only brings highly finished gemstone jewelry, but also a beautiful collection in combination with genuine Swiss Marcasites. Very beautiful and delicate !.
Availability: In stock
SKU
9551
925/000 silver Markasite set with real Turquoise (ring, earrings and pendant) from Prestige. is available to buy in increments of 1

The mineral turquoise is a hydrated copper-aluminum-phosphate with the chemical formula CuAl6 (PO4) 4 (OH) 8 · 4 (H 2 O). The green, yellow, gray, light blue, but typical blue green turquoise has a wasglans a pale blue and white stripe color. The crystal system is triclinic and the cleavage is perfect according to the crystal surface [001] as well [010]; moreover it almost comes only forms cryptocrystalline for so fission in practice to observe. The average density is 2.7 and the hardness is from 5 to 6. Turquoise is not radioactive. The mineral turquoise is named after Turkey, the country through which it passed when the mineral first reached Europe; otherwise it is not known to be in Turkey. The color turquoise is named after this mineral. Turquoise is primarily found as a secondary mineral in copper ores. The type of location is the deposition Nishapur in Iran. Also in the Sinai and the mineral was mined in Serabit el-Khadim is a temple dedicated to the Egyptian "Lady Torquoise" (the goddess Hathor). Turquoise is used as a gemstone. During the Ottoman Empire was turquoise exported as precious minerals, especially to Persia. Currently turquoise is mined in Mexico, the United States, China and Iran. Imitation Turquoise was made for the first time in 1972 in France, but the properties of these imitation different from those of the natural varieties. Yet the best-selling turquoise now synthetic.

The mineral marcasite or spear choose a pale yellow to source tinwit iron sulphide with the chemical formula FeS2. The name is derived from the Arabic word Makraschit, the original name for pyrite and similar minerals. Marcasite is rarely recognized as a gemstone, but in the Middle Ages especially popular in France, and was used as folk jewelry. Nowadays, especially in Thailand put small cut markasieten in silver. In prehistoric times it was used as a fire starter in combination with flint. Hydrothermal, postvulkanisch, not hyper and sediments. Marcasite has the same chemical formula as the cubic pyrite but a different crystal structure (orthorhombic). This called wordtisomorf. Marcasite is to the air quickly darkens and copies of this mineral can, over time even crumble or disintegrate. It is unimportant as iron or sulfur ore mineral. In the gems trade name marcasite is used improperly to cut pyrite. This "marcasite" with a brass-yellow color and a high gloss metal is mainly in silver jewelry put the entourage material. The name marcasite is Arabic or Moorish origins. It was used for all pyrietachtige minerals as marcasite, chalcopyrite, sphalerite and other. Marcasite hydrothermal is usually formed, and is found in sedimentary rocks (such as limestone, shale ofligniet), or in veins (with zinc and lead sulphide). The formation of marcasite occurs at low temperatures and under reducing conditions. It is found in the chalk deposits as at Cap Blanc-Nez near Calais, France. Sensitive to heat and sweat, fire comes into sulfur dioxide. The mineral to the surface corrodes.

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