Largest Geoda In Europe located in Pulpi
Pulpí has a great treasure that is their giant Geoda, discovered in 1999 on the site of the Pilar of Jaravía, this gem is the major tourist attraction of the municipality worldwide since it constitutes a unique phenomenon given the size, perfection, size and Transparency of the crystals.
The world's largest Geoda is the Naica (Mexico) with crystals that reach 10 feet, but is in a mine with a temperature of 50 degrees and humidity of 100%, making it impossible to be accessed by the public.
However the Pulpi Geoda is at a temperature of 20 and at a more than acceptable level of humidity. Therefore it is the world's second largest, but the only one which is visitable.
It is located inside an iron mine and lead to 50m depth and access is relatively easy. The pocket is funnel-shaped, with the narrowest part bent in an "L". Form a hollow volume 10,7m3 with 8 m long, 1.8m wide and 1.7m high. The size of the gypsum crystals is up to 2m, with a transparency that can read a book through it.
Currently a committee formed by scientists and various authorities in charge of the study and appreciation is making enquiries into access to it for all..
WHAT IS A GEODA.
A geode is a normally closed cavity in rock that inside has crystallized minerals that have been conducted as groundwater dissolved. Crystallization is a slow process that can take thousands of years Therefore the pocket is a recess in the interior, lined rock crystal quartz that may be calcite and / or gypsum by training environment.
The Geoda is Pulpí plaster, with a hardness of 2 on the Mohs scale. This means that you can scratch with your fingernail, therefore, the pocket is very fragile and could be damaged easily. Its protection is an essential fact for conservation.
See it in this link:
Take a look at our other interesting pages about Pulpi: