среда, 27 декабря 2017 г.

RealgarWe covered this lovely arsenic sulphide mineral some time…


Realgar


We covered this lovely arsenic sulphide mineral some time ago (http://tinyurl.com/klmnq35), but in its massive ketchup and mustard form associated with orpiment. We just had to share this cluster of gemmy red crystals with you so you could appreciate its variety of form.


Loz


Image credit: Rob Lavinsky/iRocks.com


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