hardness 7

and clarity—natural form

Thulite is a manganese-bearing variety of zoisite (Ca2Al3(SiO4)3(OH))

and store it apart from harder stones

Aquamarine Point Sterling Silver Pendant size:1.5"L x 0.3"W x 0.3"T hardness 7A natural aquamarine point that terminates in a clean apexthe crystal's own geometry, unaltered. Aquamarine is the blue to blue green variety of berylberyllium aluminum silicate colored by trace ferrous ironand it naturally grows in hexagonal prismatic columns that terminate in a point. This pendant preserves that natural point form in solid . 925 sterling silver, so the mineral's own habit is the design. Mohs 7. 58, with vitreous luster. Most market