Blixite (original) (raw)

A valid IMA mineral species - grandfathered

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About BlixiteHide

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Originally assumed to be Pb2(O,OH)2Cl.
Krivovichev & Burns (2006) later suggested the formula to be Pb8O5(OH)2Cl4.

Colour:

Pale yellow, yellow-orange to greyish yellow

Crystal System:

Orthorhombic

Name:

For Dr. Ragnar Blix (1898-1985), chemist at the Swedish Museum of Natural History, who performed analyses of many Långban minerals.

This page provides mineralogical data about Blixite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:696:7

1567aa2a-fa5d-4751-bcdb-975593c336e5

IMA Classification of BlixiteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Classification of BlixiteHide

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3.DC.50

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu

10.2.4.1

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq

8.8.11

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb

Mineral SymbolsHide

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

Symbol Source Reference
Blx IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of BlixiteHide

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Colour:

Pale yellow, yellow-orange to greyish yellow

Cleavage:

Distinct/Good
in one direction

Density:

7.35 g/cm3 (Measured) 7.53 g/cm3 (Calculated)

Comment:

Calculated on synthetic material

Optical Data of BlixiteHide

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RI values:

_n_α = 2.050 _n_γ = 2.200

δ = 0.150

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Chemistry of BlixiteHide

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Mindat Formula:

Pb8O5(OH)2Cl4

Originally assumed to be Pb2(O,OH)2Cl.
Krivovichev & Burns (2006) later suggested the formula to be Pb8O5(OH)2Cl4.

Common Impurities:

Ca,Cu,Fe,Zn

Crystallography of BlixiteHide

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Crystal System:

Orthorhombic

Cell Parameters:

a = 5.832 Å, b = 5.694 Å, c = 25.47 Å

Ratio:

a:b:c = 1.024 : 1 : 4.473

Unit Cell V:

845.79 ų (Calculated from Unit Cell)

Morphology:

Massive, in films

Twinning:

On (100), synthetic.

Comment:

Orthorhombic or monoclinic. Point Group: 2/m (synthetic). ; Space Group: C2/c (synthetic).

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0006092 Blixite Krivovichev S V, Burns P C (2006) The crystal structure of Pb8O5(OH)2Cl4, a synthetic analogue of blixite? The Canadian Mineralogist 44 515-522 2006 synthetic 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
2.93 Å (10)
3.88 Å (8)
1.660 Å (8)
2.83 Å (6)
2.12 Å (6)
2.04 Å (6)
3.18 Å (5)

Comments:

Recorded on material from Långban, Sweden

Geological EnvironmentHide

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Geological Setting:

Reaction product of slags immersed in sea water

Type Occurrence of BlixiteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

Swedish Museum of Natural History, Stockholm, Sweden (No. 251539)
National Museum of Natural History, Washington, D.C., USA (No. 114720)

Geological Setting of Type Material:

In hausmannite-rich dolomite and manganophyllite skarn in a metamorphosed Fe-Mn orebody

Associated Minerals at Type Locality:

Other Language Names for BlixiteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

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Other InformationHide

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Health Risks:

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

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References for BlixiteHide

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Localities for BlixiteHide

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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

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- 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.

Australia
New South Wales Robinson Co. Cobar Endeavor Mine (Elura Mine) Scott (1994) +3 other references
Greece
Attica East Attica Lavreotiki Lavrion slag localities Grolig et al. (1978) +1 other reference
Passa Limani Cove slag locality Gelaude et al. (1996)
Sounion Cove slag locality Gelaude et al. (1996)
Thorikos Bay slag locality Gelaude et al. (1996)
Vrysaki Point slag locality Gelaude et al. (1996)
Sweden (TL)
Värmland County Filipstad Långban Ore District Långban Mine (TL) Gabrielson et al. (1960) +2 other references
Bolivia stope Adolfsson (1979)
UK
England County Durham Stanhope Bollihope Smelt Mill slag locality Norman Wilson collection
Northumberland Allendale Dirt Pot Lead Smelt Mill slag locality Norman Wilson personal collection
Somerset Mendip Cranmore Torr Works Quarry ? Alabaster (1975) +6 other references
Scotland Dumfries and Galloway Wanlockhead Meadowfoot Smelter slag locality Rust (2022)