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Morvenite

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Formula:
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Name:
Named after Morven (now known as Morvern), a district that lies to the south of the Strontian mines (Thomson 1836).
A variety of Harmotome

A transparent, spindle-shaped variety of harmotome that was originally described from the Strontian mines north of Morven (now Morvern), Argyllshire, Scotland, UK.

Later used to describe a type of twinning also observed for phillipsite (a different type of twinning is called Marburg type).


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Chemical Properties of MorveniteHide

Formula:
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MorveniteHide

Reference List:
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Thomson, T. (1836): Outlines of mineralogy, geology and mineral analysis, vols. I and II, London.

Internet Links for MorveniteHide

Mineral and/or Locality  
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