Hi again,
Yes I will probably try to slice it but I still wonder how :) I was planning to
just break it but if there's a doubt I'd prefer not :)
It's true that I forgot to say that it is clearly attracted to magnet and as the
micro picture shows there are (top of the picture) some brigh metalic
Xavier,
Hematite is NOT attracted by a magnet. And it very often shows a smooth
dark red-brown to quasi black surface, often rounded when it is not in
(black shiny) crystals . Rarely is the rounded surface rough.
If metallic grains are visible, just follow Bernd's suggestion and make a
window.
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