Lindgrenite (original) (raw)

A valid IMA mineral species - grandfathered

About LindgreniteHide

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Colour:

Green, yellowish green; pale green to yellow-green in transmitted light

Lustre:

Sub-Vitreous, Resinous

Crystal System:

Monoclinic

Name:

Named by Charles Palache in 1935 in honour of Waldemar Lindgren [February 14, 1860 Kalmar, Sweden - November 3, 1939 Brighton, Massachusetts, USA], Swedish-American economic geologist, professor at Massachusetts Institute of Technology, Cambridge, Massachusetts. He was a profound theorist on ore deposit formation.

A rare secondary mineral occurring in the oxidised zones of molybdenum-bearing copper deposits.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2405:7

e500dcb5-8043-4a21-befa-a073fbefdaa5

IMA Classification of LindgreniteHide

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

IMA Formula:

Cu3(Mo6+O4)2(OH)2

Type description reference:

Classification of LindgreniteHide

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7.GB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O

48.3.1.1

48 : ANHYDROUS MOLYBDATES AND TUNGSTATES
3 : Basic Anhydrous Molybdates and Tungstates

27.3.1

27 : Sulphites, Chromates, Molybdates and Tungstates
3 : Molybdates

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 LindgreniteHide

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Colour:

Green, yellowish green; pale green to yellow-green in transmitted light

Cleavage:

Perfect
On {010}, perfect; on {101} and {100}, very poor.

Density:

4.2 g/cm3 (Measured) 4.29 g/cm3 (Calculated)

Optical Data of LindgreniteHide

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RI values:

_n_α = 1.930 _n_β = 2.002 _n_γ = 2.020

2V:

Measured: 71° , Calculated: 50°

δ = 0.090

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

Optical Extinction:

Z ∧ c = 9°.

Chemistry of LindgreniteHide

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Mindat Formula:

Cu3(MoO4)2(OH)2

Crystallography of LindgreniteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 5.394 Å, b = 14.023 Å, c = 5.608 Å
β = 98.5°

Ratio:

a:b:c = 0.385 : 1 : 0.4

Unit Cell V:

419.53 ų (Calculated from Unit Cell)

Morphology:

Crystals tabular or platy {010}, exhibiting {010}, which may be striated parallel [001]. Also may exhibit forms {100}, {021}, and several others. Rarely acicular along [101] with a square outline; crusts; massive.

Forms include {001}, {010}, {100}, {120}, {110}, {210}, {012}, {101}, {111}, {113}, {111}, {121}. {121}, {131}.

Comment:

Space group = P21/n

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005073	Lindgrenite	Calvert L D, Barnes W H (1957) The structure of lindgrenite The Canadian Mineralogist 6 31-51		1957	0	293
0018341	Lindgrenite	Bao R L, Kong Z P, Cu M, Yue B, Weng L H, He H Y (2006) Hydrothermal synthesis and thermal stability of natural mineral lindgrenite Chemical Research in Chinese Universities 22 679-683	2006	synthetic	0	293
0014795	Lindgrenite	Hawthorne F C, Eby R K (1985) Refinement of the crystal structure of lindgrenite Neues Jahrbuch fur Mineralogie, Monatshefte 1985 234-240	1985	Chuquicamata, Chile	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of LindgreniteHide

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General Appearance of Type Material:

Thin green plates, with brilliant facets on their edges to a maximum diameter of about 4 mm.

Place of Conservation of Type Material:

The Natural History Museum, London, England: #1936,102.
Harvard University, Cambridge, Massachusetts, USA: #97527, 97528.

Geological Setting of Type Material:

Oxidized zone of a copper deposit.

Associated Minerals at Type Locality:

Reference:

Palache, C. (1935) Lindgrenite, a new mineral. American Mineralogist: 20: 484-491.

Other Language Names for LindgreniteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

Readily soluble in HCl and HNO3.

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 LindgreniteHide

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References for LindgreniteHide

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Reference List:

**Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.**pp.1094-1095

Bao, R.L., Kong, Z.P., Cu, M., Yue, B., Weng, L.H., He, H.Y. (2006) Hydrothermal synthesis and thermal stability of natural mineral lindgrenite. Chemical Research in Chinese Universities: 22: 679-683.

Ismagilova, R.M., Zhitova, E.S., Zolotarev, A.A., Krivovichev, S.V. (2019) Jahn–Teller distortion and thermal expansion anisotropy: temperature-dependent behavior of lindgrenite, Cu3(MoO4)2(OH)2, szenicsite, Cu3(MoO4)(OH)4, and cupromolybdite, Cu3O(MoO4)2. Physics and Chemistry of Minerals: 46: 437–447.

Localities for LindgreniteHide

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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.