Material Science.

925 Sterling Silver / chalcedony / anti Brown / anti allergy treatment

[size]

Rao circle four / elastic

[brand]

Love trim Ji

[it] in my eyes

A mineral chalcedony. Also known as "chalcedony"

Chalcedony is actually a kind of quartz， referred to as the hidden crystal of the plastid SiO2

It is (cryptocrystalline quartz) variants

The breast shape or stalactitic output， often a kidney shaped bell， emulsion，grape like， having waxy light