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ARAGONITE CRYSTAL CLUSTER 55.5 CTS [MX1613]

3297
4

SKU
Afmetingen (mm)
x x mm
Gewicht (cts)
Type
Specimen
Kleuren

ARAGONITE CLUSTER SPECIMEN 

This is a natural specimen from Morocco showing strong  cluster of crystal development.

Weight 55.5  cts app

Size  35x23 x14  mm app

Aragonite occurs in two distinct places Spain and Morocco. This crystal cluster is from a pocket in a Moroccan lava bed, where it formed at high pressure and relatively low temperature. At surface conditions, aragonite is actually metastable, and heating it to 400°C will make it revert to calcite. The other point of interest about these crystals is that they are multiple twins that make these pseudo-hexagons. Single aragonite crystals are shaped more like tablets or prisms.

Aragonite is calcium carbonate  with the same chemical formula as calcite, but its carbonate ions are packed differently. That is, aragonite and calcite are polymorphs of calcium carbonate. It is harder than calcite (3.5 to 4, rather than 3, on the Mohs scale) and somewhat denser, but like calcite it responds to weak acid by vigorous bubbling. You may pronounce it a-RAG-onite or AR-agonite, though the majority of American geologists use the first pronunciation. It is named for Aragon, in Spain, where notable crystals occur.

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Registered Shipping krijgt korting op $9.00 bij bestellingen met 2 of meer artikelen
Rest van de wereld
Registered Shipping krijgt korting op $16.00 bij bestellingen met 2 of meer artikelen

sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
Mermaid Waters , Australia
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19073 feedback

  • rainer999
    rainer999
    Positief

    Very special item, rare. Thanks an Happy New Year from Germany.

  • rainer999
    rainer999
    Positief

    Beautiful stone, perfect packaging, fast shipment, recommendable seller.

  • rainer999
    rainer999
    Positief

    Incredible stone, never seen before. Thank you from Germany. Will order again Dr. Rainer (medical doctor from Duisburg/Germany)

  • rainer999
    rainer999
    Positief

    Nice stone, perfect packaging, fast shipping, recommendable.

  • rainer999
    rainer999
    Positief

    Beautiful small mini, thanks and a good and healthy 2025.

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1st Feb 2025

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Overzicht

Vermeldingstype : Standard
Product-ID : 86579
Begint : 2nd January 2025 08:00 pm PST
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