Donatello: marble or granite?
Some time ago, we talked about marble that is not exactly marble and about granite that is not really granite. Donatello belongs to this category ...
Focus Materials
Brazilian Quartzite: transparent as marble, resistant as granite
Quartzite is a metamorphic rock that in far past geological ages, had been exposed to strong pressure and high temperatures which completely changed its chemical and physical properties and...
Pegmatite: when granite is a wonder of nature!
This is about pegmatite: an extraordinary and very striking rock that many refer to as quartzite, although this natural stone, thanks to its morphological composition, is more like granite...
Lines, spirals and intersections on marble and granite: is this about fossils?
Given the lines, patterns and stripes on marble and granite surfaces, we are often asked: “Is this a fossil?”...
Virginia Black, the granite that tells a piece of American history
Also know as Virginia Mist or American Black, this homogeneous granite with medium-sized grains comes from Pocahontas’ lands...
Pierre Blue
It’s time to discover more about the wonderful photo shapes that were exhibited during the MeetUp 2019: was it honey comb? Human generated geometry? Or perhaps...