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Harmotome is a mineral, one of the
rarer zeolites; a
hydrated barium silicate with formula: (Ba0.5,Ca0.5,Na,K)5Al5,Si11O32·12(H2O). It
forms vitreous...
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Halite Halloysite Halotrichite Hambergite Hanksite Hapkeite Hardystonite Harmotome Hauerite Hausmannite Hauyne Hawleyite Haxonite Hazenite Heazlewoodite...
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complex cruciform twins are known,
these being exactly like
twins of
harmotome which also
forms a
series with phillipsite-Ca.
Crystals of phillipsite...
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Chains of
doubly connected 4-membered
rings Phillipsite framework (PHI):
harmotome, phillipsite-series
Gismondine framework (GIS): amicite, gismondine, garronite...
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Hemloite Hlo
Hilgardite Hgr
Housleyite Hou
Hydroniumpharmacoalumite Hpal
Harmotome Hrm
Hemusite Hm
Hillebrandite Hil
Howardevansite Hdv Hydroniumpharmacosiderite...
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minerals are
often found in ****ociation,
together with baryte, calcite,
harmotome and sulfur. The type
locality is Strontian,
North West
Highlands (Argyllshire)...
- are
found at the Giant's
Causeway in
County Antrim. It is
found with
harmotome in the lead
mines at
Strontian in Argyllshire. Warr, L.N. (2021). "IMA–CNMNC...
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mafic rocks. It
occurs ****ociated with thomsonite, analcime, natrolite,
harmotome, brewsterite,
prehnite and calcite. The
mineral was
first reported by...
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Brownley Hill Mine,
Alston Moor, ****bria, England,
serpierite occurs with
harmotome and gypsum, and
rarely with brochantite, in
fractures in
quartz lining...
- from 1854. The area
contains the only
known occurrence of the
mineral harmotome in
Northern Ireland. Much of the area has been
developed by the Department...
