NWA 4925

Type: Stone, Achondrite: (Martian, olivine-phyric Shergottite)

Total known weight: 282.3 g, 1 piece.

Total kno

wn weight: 282.3 g, 1 piece.

History: The meteorite was found by an anonymous person in northwest Africa and bought by the main mass holder in Erfoud, Morocco.

Physical characteristics: One fragment partly covered by fusion crust weighing 282.3 g was found.

Petrography: (A. Greshake, MNB) The meteorite displays a porphyritic texture with large chemically zoned olivine megacrysts set into a fine-grained groundmass composed of pyroxene and maskelynite. Minor phases include chromite, sulfides, phosphates, and small Fe-rich olivines. The olivine megacrysts often contain melt inclusions and small chromites.

Geochemistry: Mineral composition (EMPA): Olivine, Fa27.6–46.8; pyroxene, Fs20.0–37.7Wo3–14.8; maskelynite, An67–69.

Classification: Achondrite (Martian, olivine-phyric shergottite); severely shocked with some melt pockets; moderately weathered.

Specimens: A total of 20.1 g plus one polished thin section are on deposit at MNB. Ralew holds the main mass.

Your Mars 'Rock' comes in a specially designed box from the "MARTIAN COLLECTION NWA 4925", which consists of various motivs of the planet MARS. Autheticity is guaranteed. We are member # 3420 of the IMCA ( International Meteorite Collectors Association ) and Authenticity of all our meteorite material is our goal.

The Special Box measures 56 x 36 x 15 mm.

This Martian Meteorite is a Olivine-Phyric-Shergottite, not to be missed in any Meteorite Collection.

We hope you will enjoy your own little piece of our earthly neighbour planet!

Shipping and Handling in Australia:

via Australia Mail, AUD $ 5.30

Shipping and Handling worldwide:

We happily combine shipping for multible auction wins.

Insurance:

Sea Mail AUD $ 6.80, Air Mail AUD $ 11.00

For combined shipping we charge actual postage only.

We recommend you pay the additional costs for registered mail and insurance . If you do not want this, we'll ship at your risk!