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GeneralPOTD July 17, 2018
17th Jul 2018 14:50 UTCJeff Weissman Expert
Which is which? Especially needed for the less knowledgeable.
We can do better for POTD captions.
17th Jul 2018 15:23 UTCRichard Gunter Expert
19th Jul 2018 11:09 UTCUwe Kolitsch Manager
23rd Jul 2018 16:03 UTCRobert Pecorini
maghrebite xx are colorless, spharped like gypsum.
Cristals are on the pink ( erythrite) area in the middle.
novacekite xx are opaque yellow, numerous on the picture.
zeunerite xx are very smalls,dark green agggregate.
On this picture, erythrine is not cristalised. it is the pink zone.
n'hesitez pas à me contacter pour plus d'information.
Bien cordialement,
Bob
23rd Jul 2018 19:12 UTCRobert Pecorini
Quantax
Element [norm. wt.%] [norm. at.%]
arsenic 62,365720157 36,97971572
aluminium 31,9436482 52,60194506
magnésium 5,699150232 10,41833921
Sum: 100 100
23rd Jul 2018 21:26 UTCDebbie Woolf Manager
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 13, 2024 05:36:12