Specimen #1817

Name: Ettringite

Type: Mineral

Locality: Nchwaning Mine, Kalahari fields, Northern Cape Province, South Africa

Favorite? N

Fluorescent? N

Size: 2.2 x 1.2 x 0.8 cm

Weight: 3

Acquired: 2009-12-17

Source: Arkenstone Auction

Label: N

Comment: Nice Ettringite thumbnail with good color and luster. The back portion has been cleaved off or contacted, leaving a surface for very interesting secondary growth. The crystal sits very nicely on matrix, very sharp!

Minerals: Ettringite (Ca6Al2(SO4)3(OH)12 26(H2O))

There is one picture on file

M01817-01.jpg:

Ettringite, Nchwaning Mine, Kalahari fields, Northern Cape Province, South Africa - 2.2 x 1.2 x 0.8 cm