Eudialyte

Eudialyte, from the Greek εὑ ("good") and διαλυτός ("dissoluble"), is a rare mineral of the silicate group (subgroup of cyclosilicates), described by Friedrich Strohmeyer in 1818 from a specimen from the southwest coast of Greenland.

It is a sodium, calcium and zirconium silicate, with the chemical formula Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2.
Its hardness is 5 to 5.5 and its density is 2.8 to 3 g cm-3.
It is soluble in acids, hence its name, and weakly radioactive2.

This rare mineral is found in Mont Saint-Hilaire in Canada, in Arkansas, in Greenland, in certain northern parts of Norway and in the Kola Peninsula in northern Russia (notably in the Khibiny Mountains deposit and in the Lovozero massif).

This mineral is part of a large complex (or extremely complex) group of the same name, of trigonal cyclosilicates with triple (Si3O9)6 and ninefold (Si9O27)18 rings. In some members of this group, two ninefold rings are linked by a single silicon atom to give a [(Si9O27)2SiO]34- group.

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List of Stones & Minerals

Eudialyte is a cyclosilicate of sodium, calcium, cerium, iron, manganese and zirconium. It is a very powerful stone that carries energy from the crown chakra to the base chakra. On the base chakra, it will be one of the most effective stones to restore tone and vitality. It is a fairly rare stone.
Its name comes from the Greek eu and dialytos, basically which dissolves easily.