Found in nearly every colour – most notably red, pink and blue – spinels are popular gemstones because of their abundance, moderate cost and attractiveness.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read More
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Read MoreTourmalines have a very complex chemical composition, and more than a dozen mineral species are recognised within this group.
Read More
GIA graduate Franco Valobra creates a commemorative brooch to recognise healthcare workers on the front line of the coronavirus battle for survival.
Read More
