Polished NWA 12890 Main Mass!

Polished NWA 12890 Main Mass!

This uniquely prepared specimen, weighing in at 937 grams, is beautifully polished on three faces! This represents the largest mass of this NWA and is prepared to provide a delightfully thorough view into the composition of this eccentric display piece! Read more at this link!


Your purchase helps us fund our boundary-smashing STEM programs and opens up a world of exploration for students! It is through your purchases that new horizons in astronomy, chemistry, math and beyond will be chased by bright young minds! Thank you for doing a huge part in supporting humanity's collective future!


This specimen includes a certificate of authenticity and complementary shipping within the continental United States. Shipping to other US locations, including territories and international destinations, is available and will incur additional shipping charges. We are not liable for customs charges or lost or stolen packages. 

  • Purchasing Policy

    This sale carries a 15 day return policy, with the buyer responsible for return postage, packing and any other fees associated with shipping, as well as a 10% restocking fee. 

$1,300.00 Regular Price
$455.00Sale Price

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