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Strontiohurlbutite

A valid IMA mineral species
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Formula:
SrBe2(PO4)2
Colour:
light blue
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
3.101 (Calculated)
Crystal System:
Monoclinic
Name:
Named in 2012 by C. Rao, R. Wang, X. Gu, H. Hu, and C. Dong for being the Sr analogue of hurlbutite.
Isostructural with:
Sr-dominant analogue of hurlbutite. Compare minjiangite which is not a true (structural-chemical) but just chemical (Ba) analogue.

The structure has paracelsian topology; as such, the species may alternatively be grouped within "paracelsian group", alongside with danburite, pekovite, maleevite, paracelsian, and hurlbutite.



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Unique IdentifiersHide

Mindat ID:
43357
Long-form identifier:
mindat:1:1:43357:8
GUID
(UUID V4):
4e5d90f2-84a8-47fa-ab0e-4320dfc95bef

IMA Classification of StrontiohurlbutiteHide

Approved
IMA Formula:
SrBe2(PO4)2
Approval year:
2012

Classification of StrontiohurlbutiteHide

8.00.

8 : PHOSPHATES, ARSENATES, VANADATES
0 :
0 :

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
ShrbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of StrontiohurlbutiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
light blue
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Density:
3.101 g/cm3 (Calculated)

Optical Data of StrontiohurlbutiteHide

Type:
Biaxial (-)
RI values:
nα = 1.563(2) nβ = 1.569(2) nγ = 1.572(3)
2V:
Measured: 68.5° (5), Calculated: 70°
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak dispersion, r > v,
Pleochroism:
Non-pleochroic

Chemistry of StrontiohurlbutiteHide

Mindat Formula:
SrBe2(PO4)2

Crystallography of StrontiohurlbutiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 8.426(5) Å, b = 8.998(5) Å, c = 8.005(4) Å
β = 90.05(5)°
Ratio:
a:b:c = 0.936 : 1 : 0.89
Unit Cell V:
606.92 ų (Calculated from Unit Cell)
Z:
4

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020033StrontiohurlbutiteRao C, Wang R, Hatert F, Gu X, Ottolini L, Hu H, Dong C, Bo F D, Baijot M (2014) Strontiohurlbutite, SrBe2(PO4)2, a new mineral from Nanping No. 31 pegmatite, Fujian Province, Southeastern China American Mineralogist 99 494-4992014Nanping No. 31 pegmatite, Fujian Province, Southeastern China0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.554 Å(100)
3.355 Å(51)
3.073 Å(38)
2.542 Å(67)
2.230 Å(42)
2.215 Å(87)
2.046 Å(54)
1.714 Å(32)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of StrontiohurlbutiteHide

General Appearance of Type Material:
platy, subhedral-to-anhedral, with a length from 5 mm to 1.5 mm
Place of Conservation of Type Material:
In the collections of the Geological Museum of China,Yangrou Hutong, Xisi, Beijing, People’s Republic of China, catalogue number M11803 Laboratory of Mineralogy, University of Liège, catalog number 20387
Geological Setting of Type Material:
a highly evolved and well-zoned pegmatite
Associated Minerals at Type Locality:

Synonyms of StrontiohurlbutiteHide

Related Minerals - Strunz-mindat GroupingHide

8.00.UM1997-10-AsO:CaVCa(VO)2(AsO4)2.4H2O
8.00.CanutiteNaMn3[AsO4][AsO3(OH)]2Mon. 2/m : B2/b
8.00.GrandaiteSr2Al(AsO4)2(OH)Mon. 2/m : P21/m
8.00.Metauramphite(NH4)2(UO2)2(PO4)2.6H2O
8.00.ChongiteCa3Mg2(AsO4)2(AsO3OH)2 · 4H2OMon. 2/m : B2/b
8.00.05LeobeniteHydrated Ca-Fe phosphate

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.

Internet Links for StrontiohurlbutiteHide

References for StrontiohurlbutiteHide

Localities for StrontiohurlbutiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
China (TL)
 
  • Fujian
    • Nanping
      • Yanping District
        • Nanping pegmatite field
Rao +8 other references
 
Mineral and/or Locality  
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