Roberto Bencini

3 Questions 107 Answers 0 Followers

Questions related from Roberto Bencini

What is this "object" I found on the beach in Iceland?

I attach a photo of each of the two sides of the object. The object is roughly circular, it is 27 mm across, it is 2 mm thick and it weighs 1 gram. If wet, it sinks in water (density > 1). It...

25 September 2017 5,623 2 View

Is a Charoite rich rock found elsewhere in the world other than in Siberia?

Charoite is a rare alkali silicate that occurs in an attractively looking pink-purple rock in the Murun Massive, Sakha Republic, Yakutia, Siberia. This rock is a sort of skarn generated...

17 October 2016 6,895 12 View

What is this distinctive blue rock?

I got a sample of a nice looking blue rock (see photos attached), and I would like to know what rock is it. This rock must be already known also commercially, because I recently saw a piece of...

06 October 2016 9,782 25 View