Tags » Gemmology

Canadian Gemmological Open Houses June 23 & August 17, 2015

September is the time to start a new course?  Why not consider taking a gemmology class this fall?

You are invited to attend one of our open houses in the CGA classroom at 55 Queen Street East in the Lower Concourse level. 1,071 more words

Gemmology

Canadian Gemmological Open Houses July 29 & August 26 2014

September is the time to start a new course?  Why not consider taking a gemmology class this fall?

You are invited to attend one of our open houses in the CGA classroom at 55 Queen Street East in the Lower Concourse level. 1,052 more words

Gemmology

Canadian Gemmological Open Houses June 25th, July 28th, & Aug. 26th 2013

What happens in September? We start more education! Why not consider taking a gemmology class this fall?

You are invited to attend our open houses in our classroom in Toronto at 55 Queen Street East in the Lower Concourse Level. 1,107 more words

Gemmology

Lily pad Like Inclusions in Peridot

Peridot is a light green gemstone with inclusions that are commonly called lily pad like inclusions.  Why do they form?  Can they be found in other gemstones? 371 more words

Individual Gemstones

Canadian Gemmological Open Houses January 10th & 14th, 2012

What’s the best New Year’s resolution? An investment in yourself, of course! Why not consider taking a gemmology class this winter?

You are invited to attend our open houses in our new classrooms at 55 Queen Street East, Toronto in the Lower Concourse level. 1,023 more words

Gemmology

Opal and Play-Of-Colour -- Why Are There So Many Colours?

Opal displays all the colours of the rainbow.  It is the structure of opal that gives us all the colours of the visible spectrum.  Why is this play-of-colour seen in some opals and not others? 543 more words

Individual Gemstones

Gemmology Courses at the Canadian Gemmological Association

Have you ever wanted to study gemmology?  Are you interested in upgrading your skills?  Consider the courses offered by the Canadian Gemmological Association.

Start studying by distance education now or plan your in-class courses for 2012.  812 more words

Gemmology