La nuummite est une roche métamorphique opaque iridescente. Cette pierre très rare est un mélange d’anthophyllite et de gédrite avec de la pyrite, de la pyrrhotite et de la chalcopyrite. La nuumite a une dureté de 5,5 à 6 sur l'échelle de Mohs.
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Évaluation Générale -> 10
This purchase was very easy to complete. I have been buying items every once in a while from you for a few years now, and always love the simplicity of teaching and purchasing items. I will, of course, purchase from you again.
GemSelect has a vast selection of gemstones in various size, shape and price. I like it because the gems are precut and ready for the novice jewler. The website is very easy to navigate and purchasing was a breeze.
This is my second time purchasing from Gem Select. I love this vendor and the website Full of info and if there’s any problems or questions customer service has been stellar at Making the experience a great one.