Book written by Gilles Haineault and edited by Patrimoine hilairemontais...
Quartz. Canada. Specimen size: 8.5 x 5.2 x 4 cm.
Dioptase: an emerald-green to blue-green gemmy mineral species
Azurite: a fascinating mineral species
Beryl: an exceptional gemmy mineral species
Pseudomorphs and variations
Vanadinite: a very colourful mineral species