Taseqite
Taseqite is a rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3NbSiO(Si9O27)2(Si3O9)2(O,OH,H2O)3Cl2. The formula given is derived from the original one and shows a separate silicon at the M4 site, basing on the nomenclature of the eudialyte group. Taseqite, khomyakovite and manganokhomyakovite are three group representatives with species-defining strontium, although many other members display strontium diadochy. Both strontium (N4Sr) and niobium (M3Nb) are essential in the crystal structure of taseqite. When compared to khomyakovite, taseqite differs in niobium- and chlorine-dominance.
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Taseqite
Taseqite is a rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3NbSiO(Si9O27)2(Si3O9)2(O,OH,H2O)3Cl2. The formula given is derived from the original one and shows a separate silicon at the M4 site, basing on the nomenclature of the eudialyte group. Taseqite, khomyakovite and manganokhomyakovite are three group representatives with species-defining strontium, although many other members display strontium diadochy. Both strontium (N4Sr) and niobium (M3Nb) are essential in the crystal structure of taseqite. When compared to khomyakovite, taseqite differs in niobium- and chlorine-dominance.
has abstract
La taseqita és un mineral de l ...... ndia, la seva localitat tipus.
@ca
La taseqite è un minerale appartenente al gruppo dell'eudialite.
@it
Taseqita silikato motako minerala da eta eudialyte taldearen kidea da.
@eu
Taseqite is a rare mineral of ...... obium- and chlorine-dominance.
@en
Wikipage page ID
49,599,178
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997,734,701
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category
class
Ditrigonal pyramidal
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cleavage
{0001}, fair
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color
Dark- to yellowish-brown; lemon yellow
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diaphaneity
Transparent
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formula
Na12Sr3Ca6Fe3Zr3NbSi25O73)3Cl2
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fracture
Conchoidal
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habit
Thin tablets
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luster
Vitreous
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mohs
name
Taseqite
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opticalprop
Uniaxial
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refractive
nω=1.64, nε=1.65
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streak
Brownish-white
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symmetry
system
tenacity
Brittle
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unit cell
a= 14.28, c= 30.02 [Å]; Z = 3
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wikiPageUsesTemplate
subject
comment
La taseqita és un mineral de l ...... ndia, la seva localitat tipus.
@ca
La taseqite è un minerale appartenente al gruppo dell'eudialite.
@it
Taseqita silikato motako minerala da eta eudialyte taldearen kidea da.
@eu
Taseqite is a rare mineral of ...... obium- and chlorine-dominance.
@en
label
Taseqita
@ca
Taseqita
@eu
Taseqite
@en
Taseqite
@it
wasDerivedFrom
isPrimaryTopicOf
name
Taseqite
@en