CALGARY CANADA LARGE AMMONITE 1189 CTS MYG 1261

Item Information

Dimensions (mm) 77 x 77 x 0mm
Weight (carats) not provided
Colors
Certified Gemstone

 

  AMMONITE  SPECIMEN

CANADA CALGARY

                                         NATURAL GEMSTONE

                             MOHS HARDNESS 4.5 TO 5.5 

 

                                     WEIGHT  1189 CTS APP

                                     SIZE 77X77X24 MM APP

THIS SPECIMEN COMES FROM THE CALGARY AREA IN CANADA. THIS STONE WAS RECONIZED AS A GEM STONE IN 1981. IT IS BELIEVED THAT THE VIBRANT COLORS COME FROM THE IRON MAGNESIUM AND COPPER SEAPING DOWN FROM THE ROCKIES AND REACTING WITH THE SHELL FOSSIL OF THE AMMONITE. THE COLORS AND PATTERNS CAN BE AMAZING.

NATURAL STONE TREATED TO STABILIZE

The name Ammonite comes from the Greek ram-horn God called Ammon.  Ammonites are the most widely known fossil; they are cephalopods and first appeared in the seas 415 million years ago, in the form of a straight shelled creature known as Bacrites.  During their evolution three catastrophic events occurred. The first during the Permian period (250million years ago), only 10% survived.  They went on to flourish throughout the Triassic period, but at the end of this period (206 million years ago) all but one species died. Then they began to thrive from the Jurassic period until the end of the Cretaceous period when all species of ammonites became extinct.

 

  Ammonite fossils are found on every continent. And come in every naturally occurring color. Because of their rapid evolution and wide spread distribution they are an excellent tool for indexing and dating rocks. If an ammonite is found in clay the clay will preserve the Ammonites mother-of-pearl luster.

15h 25m 6s

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Pricing & Details

Bid Increment $1.00
Starting Bid $196.00
Auction ID 214351
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Viewed 869 times
Starts 6th Dec 2016 10:02pm PST
Ends 7th Dec 2016 10:00pm PST

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