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$11.00 USD
價格

ARAGONITE CRYSTAL CLUSTER 74 CTS [MX1615]

4097
7

存貨單位
尺寸(毫米)
x x mm
重量 (cts)
類型
Specimen
顏色

ARAGONITE CLUSTER SPECIMEN 

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

Weight  74 cts app

Size  34x 25x22  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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世界其他地區
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Registered Shipping $9.00 / :幾天天 $16.00 / :幾天天
:國家
Registered Shipping訂單折扣為$9.00 2或更多商品
世界其他地區
Registered Shipping訂單折扣為$16.00 2或更多商品

ARAGONITE CRYSTAL CLUSTER 74 CTS [MX1615]
Qld, Australia
擁有者 sedagems

  • emriggs91
    emriggs91
    積極的

    Awesome job shipping and even gave me a free bonus fossil! Thank you! I will order again!

  • summer29
    summer29
    積極的

    So awesome! My sister lived in Gympie for many many years and now she has a little piece of Gympie to keep with her. Thank you

  • summer29
    summer29
    積極的

    Received. Pretty stone

  • stylesjc
    stylesjc
    積極的

    As described and well shipped. I would buy from this seller again.

10%
優惠券代碼 SEDADEALS
有效期至
4th Apr 2025

審計

Gemstone Sheriff計畫允許我們的會員要求對任何產品進行審核,該審核由獨立的Gemologist人員完成,該資格人員評估商品描述和圖片的準確性。

送貨細節

船運:
$16.00 21透過Registered Shipping計算天數
發貨自:
Australia

付款方式

  • paypal
  • stripe
該賣家在Australia交易中加入了10.00%稅。

概述

列表類型 : Standard
產品編號 : 86581
開始 : 13th March 2025 09:00 pm PDT
* 所有價格均以:貨幣為單位