Cochise College Student Papers in Geology
Geology Home Page physical geology historical geology planetary gems
Roger Weller, geology instructor
Birthstones
Michael Schweska
Physical Geology
Spring 2005
Birthstones
Modern Birthstones
Ancient Birthstones
Mystic Birthstones
Zodiac, Planetary, and Talismanic Birthstones
Birthstones by Month
January-garnet
February-amethyst
March-bloodstone
April-diamond
May-emerald
June-moonstone
June-Pearl
July-ruby
August-peridot
September-sapphire
October-opal
October-tourmaline
November-citrine
December-turquoise
December-tanzanite