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ARAGONITE CRYSTAL CLUSTER 132 CTS [MX1483]
- Artikelnummer
- Abmessungen (mm)
- x x mm
- Gewicht (cts)
- Type
- Specimen
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ARAGONITE CLUSTER SPECIMEN
This is a natural specimen from Morocco showing strong cluster of crystal development.
Weight 132 cts app
Size 35x29 x23 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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- Artikelnummer
- Abmessungen (mm)
- x x mm
- Gewicht (cts)
- Type
- Specimen
- Farben
-
ARAGONITE CLUSTER SPECIMEN
This is a natural specimen from Morocco showing strong cluster of crystal development.
Weight 132 cts app
Size 35x29 x23 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.
| Versandanbieter | Versand nach Australien | Versand in den Rest der Welt | Kombiversand ( Australien ) | Kombiversand (Rest der Welt) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Registered Shipping |
|
|
|
|
![ARAGONITE CRYSTAL CLUSTER 132 CTS [MX1483]](https://liveplatforms-production.b-cdn.net/tenants/gr/uploads/stores/ipha4mneys1w7gnr.png)
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and g....
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PositivNice ruby-sapphire stones, good pictures.
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Everything was Awesome! Thank you so much for everything! It's always an absolute pleasure buying from you, and will be doing it again soon. Take care and all the best for the new year!
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The Pendant is fantastic!
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Absolutely smashing books, the opals are magnificent! Thank you so much for everything, will be buying from you again soon. Thank you, again!
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The Pendant is breathtaking! Thanks!
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