Good day, friends. The chemical formula of quartz is SiO2. Quartz deposits even with active
11 Sodium Na 22.9898 [Ne]3s1 Sodium (Na, lat. natrium) is a chemical element
Gems grow into gem trees - a great way to farm gold and mine
December 14, 2019 A physical-chemical process is used to process scrap radio components with subsequent release of silver,
By its nature, quartz is a mineral mineral in the form of silicon oxide (SiO2), which
Category Silicate minerals Name in English. Iolite Formula (Mg,Fe)2Al4Si5O18 Group Group of natural silicates Color
Kunzite is a stone that is a type of the mineral spodumene. It belongs to the class of precious gems.
"JUNWEX Moscow" is the largest, most prestigious and significant exhibition of jewelry and watch brands in
Instructions Probably everyone has such a drug as iodine at home. If not, then
World-famous jewelry companies can create unique accessories presented in single copies.
