Acuminite
Acuminite is a rare halide mineral of with chemical formula: SrAlF4(OH)·(H2O). Its name comes from the Latin word acumen, meaning "spear point". Its Mohs scale rating is 3.5. Acumenite has only been described from its type locality of the cryolite deposit in Ivigtut, Greenland.
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Acuminite
Acuminite is a rare halide mineral of with chemical formula: SrAlF4(OH)·(H2O). Its name comes from the Latin word acumen, meaning "spear point". Its Mohs scale rating is 3.5. Acumenite has only been described from its type locality of the cryolite deposit in Ivigtut, Greenland.
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Acuminiet met de chemische for ...... de schaal van Mohs is 4 tot 5.
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Acuminit ist ein sehr selten v ...... ung eine gelbe Farbe annehmen.
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Acuminita arraro bat da, honak ...... o gogortasuna du Mohs eskalan.
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Acuminite is a rare halide min ...... deposit in Ivigtut, Greenland.
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Acuminite também conhecido com ...... o seus cristais se apresentam.
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L'acuminita és un rar mineral ...... rlita, jarlita i jørgensenita.
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L'acuminite è un minerale. Il ...... te di Ivittuut in Groenlandia.
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La acuminita es un mineral de ...... nimo es su clave: IMA1986-038.
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أكومينايت (بالإنجليزية: Acumin ...... ي رواسب الكريوليت في جرينلاند.
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997,122,272
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category
class
Prismatic
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cleavage
Perfect on {001}
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color
White
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diaphaneity
Transparent
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formula
SrAlF4OH·
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gravity
habit
Clusters of acute dipyramidal Spearhead shaped crystals
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luster
Vitreous
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mohs
name
Acuminite
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opticalprop
Biaxial
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refractive
nα = 1.451 nβ = 1.453 nγ = 1.462 - 1.463
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symmetry
C2/c
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twinning
Contact on {100}
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unit cell
a = 13.223, b = 5.175
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c = 14.251 [Å]; β = 11.61°; Z = 8
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wikiPageUsesTemplate
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Acuminiet met de chemische for ...... de schaal van Mohs is 4 tot 5.
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Acuminit ist ein sehr selten v ...... iges Strontium-Aluminofluorid.
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Acuminita arraro bat da, honak ...... o gogortasuna du Mohs eskalan.
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Acuminite is a rare halide min ...... deposit in Ivigtut, Greenland.
@en
Acuminite também conhecido com ...... o seus cristais se apresentam.
@pt
L'acuminita és un rar mineral ...... scobert a , Greenland el 1987.
@ca
L'acuminite è un minerale. Il ...... te di Ivittuut in Groenlandia.
@it
La acuminita es un mineral de ...... nimo es su clave: IMA1986-038.
@es
أكومينايت (بالإنجليزية: Acumin ...... ي رواسب الكريوليت في جرينلاند.
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label
Acuminiet
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Acuminit
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Acuminita
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Acuminita
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Acuminita
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Acuminite
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Acuminite
@it
Acuminite
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أكومينايت
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name
Acuminite
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