Orthoserpierite (original) (raw)

A valid IMA mineral species

About OrthoserpieriteHide

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Formula:

Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O

Crystal System:

Orthorhombic

Name:

Named in 1985 by Halil Sarp for being the orthorhombic polymorph of serpierite.

A species very hard to distinguish from devilline and bladed serpierite.
The crystal structure has not been determined yet.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3031:7

7f451378-a427-4101-ac0e-6e79e36d5d8f

IMA Classification of OrthoserpieriteHide

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IMA Formula:

CaCu4(SO4)2(OH)6 · 3H2O

Type description reference:

Classification of OrthoserpieriteHide

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7.DD.30

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra

31.6.7.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O

25.5.8

25 : Sulphates
5 : Sulphates of Zn and Hg

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.

Physical Properties of OrthoserpieriteHide

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Density:

3.00 g/cm3 (Measured) 3.07 g/cm3 (Calculated)

Optical Data of OrthoserpieriteHide

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RI values:

_n_α = 1.586(2) _n_β = 1.645(2) _n_γ = 1.650(2)

2V:

Measured: 32° (2), Calculated: 32°

δ = 0.064

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

Optical Extinction:

X = c, Y = a, Z = b

Comments:

X = colorless to very pale green, Y = Z = pale green.

Chemistry of OrthoserpieriteHide

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Mindat Formula:

Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O

Crystallography of OrthoserpieriteHide

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Crystal System:

Orthorhombic

Class (H-M):

m _m_2 - Pyramidal

Cell Parameters:

a = 22.10(2) Å, b = 6.20(2) Å, c = 20.39(2) Å

Ratio:

a:b:c = 3.565 : 1 : 3.289

Unit Cell V:

2,793.84 ų (Calculated from Unit Cell)

Morphology:

Tabular crystals, flattened on {001} and elongated parallel to the b-axis.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of OrthoserpieriteHide

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General Appearance of Type Material:

Masses and fibrous crusts of sky-blue crystals to 0.2 mm.

Place of Conservation of Type Material:

Natural History Museum, Geneva, Switzerland, 435/76.

Associated Minerals at Type Locality:

Reference:

Sarp, H. (1985) Orthoserpiérite Ca(CuZn)4(SO4)2(OH)6·3H2O, un nouveau minéral de la Mine de Chessy, France, polymorphe de la serpiérite. Schweizerische Mineralogische und Petrographische Mitteilungen, 65, 1-7.

Synonyms of OrthoserpieriteHide

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Other Language Names for OrthoserpieriteHide

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Relationship of Orthoserpierite to other SpeciesHide

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Other Members of this group:

Structurally related to group(s):

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of OrthoserpieriteHide

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Mauve fluorescence in LW or SW.

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.

Internet Links for OrthoserpieriteHide

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References for OrthoserpieriteHide

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Reference List:

Hawthorne, Frank C., Jambor, John L., Bladh, Kenneth W., Burke, Ernst A. J., Grice, Joel D., Phillips, Don, Roberts, Andrew C., Schedler, Robert A., E., James (1987) New mineral names. American Mineralogist, 72 (9-10) 1023-1028

Localities for OrthoserpieriteHide

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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.