Gemstones: Ruby - With Rollingems

A ruby for you!

Enjoy!

Zoom in

To learn more:
http://www.rollingems.com/index.php/gemmologia/gemme/216-rubino

Elements of Cultural Heritage: Iron

It's up to iron for the third episod of the "Elements of Cultural Heritage" coloumn.

Enjoy!

Zoom in

Elements of Cultural Heritage: Copper

To celebrate Mendeleev birthday (one day delay), here you are the second episod of the "Elements of Cultural Heritage" coloumn: Copper.

Enjoy!

Zoom in

Elements of Cultural Heritage: Sulfur

To celebrate the discovery of four elements completing the seventh row of the periodic table, we start today a new coloumn devoted to elements in cultural heritage. 

First episode: Sulfur.

Enjoy!

Zoom in

Discovering Sodalite-group blue minerals.

Enjoy your trip into the magic world of blue-coloured rocks!

Zoom in

To learn more:

Caggiani M.C., Valotteau C., Colomban Ph., “Inside the glassmaker technology: search of Raman criteria to discriminate between Emile Gallé and Philippe-Joseph Brocard enamels and pigment signatures”, Journal of Raman Spectroscopy, 45 (6), 456-464, 2014.