Pure crystal gems

- Sep 12, 2019-

Crystal is crystal clear crystal, English name Rock crystal.The greeks called it Krystal los, which means "white ice."Gem-valued crystals are all produced in volcanic rocks, pegmatites, limestone and shale in the geodetic caves, which have the following physical and chemical characteristics: chemical composition is SiO2;The crystal system and crystal morphology are hexagonal crystal system.

MT127

If oil stains or handprints are left on the crystal vessels, wash them with lukewarm soapy water and rinse them with clean water.To avoid repeated cleaning in hot water or cleaning kit.There are cut crystal ornaments, cut parts can be gently cleaned with a toothbrush, if there is not easy to wash out the stains, you can cut the lemon with some salt, gently scrub.Use a few drops of vinegar with salt.If be in store when putting crystal vase, put on shelf upper berth mat cloth beforehand, crystal vase is put in sealed vitreous ark or display case inside, in order to reduce the opportunity that crystal surface accumulates dust, also can reduce manual contact, avoid to cause damage.