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Andychristyite

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Collectors Summary

Color

bläulich grün

Streak color

sehr blass bläulich grün

Lustre

Diamantglanz

Hardness (Mohs)

2 - 3

Cleavages

eine vollkommen {001}

Fracture

unregelmäßig

Crystal System

triklin, P1

Chemism

Chemical formula

PbCu²⁺Te⁶⁺O₅(H₂O)

Empirical formula (analysis)

Pb_0.98Cu²⁺_0.98Te⁶⁺_1.02O₆H_1.96

Chemical composition

Blei, Kupfer, Tellur, Sauerstoff, Wasserstoff

Unit weight: 493.46839012 u; Number of atoms in the formula: 10.94

Info

Empirical formula:

Pb_0.98Cu_0.98Te_1.02O₆H_1.96

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	0.40	1.96	17.92	1.0079470	1.9755761
Oxygen	O	19.45	6	54.84	15.9994300	95.9965800
Copper	Cu	12.62	0.98	8.96	63.5463000	62.2753740
Tellurium	Te	26.38	1.02	9.32	127.6030000	130.1550600
Lead	Pb	41.15	0.98	8.96	207.2100000	203.0658000

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Analysis wt%

PbO : 43.21, CuO : 15.38, TeO₃ : 35.29, H₂O : 3.49 (Struktur), Total : 97.37 wt%

Strunz 9th edition incl. updates

7.CC.

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H₂O
C: Mit mittelgroßen und großen [Kationen]

IMA status

anerkannt - CNMNC Newsletter No. 26, August 2015, page 943

Mineral status

anerkanntes Mineral

Optical Properties

Color	bläulich grün
Streak color	sehr blass bläulich grün
Diaphaneity (Transparency)	transparent
Lustre	Diamantglanz
2V angle	Biaxial, weit
Dispersion	stark

Crystallography

Crystal System	triklin
Class (H-M)	1
Space Group number	2
Space Group	P1
Cell parameters a (Å)	5.322(3)
Cell parameters b (Å)	7.098(4)
Cell parameters c (Å)	7.511(4)
Cell parameters a/b or c/a	0.75
Cell parameters c/b	1.058
Cell parameters α	83.486(7)°
Cell parameters β	76.279(5)°
Cell parameters γ	70.742(5)º
Z	2
Volumne (Å³)	260.02
Kristall structure	Neuer Strukturtyp; Struktur bestimmt
X-Ray Powder Diffraction	6.71(16), 4.76(17), 3.274(100), 2.641(27), 2.434(23), 1.674(17), 1.588(21), 1.513(15)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hardness (Mohs)	2 - 3
Density (g/cm³)	6.304 (berechnet)
	6.302 ( ρ calc. Mineralienatlas )
Cleavages	eine vollkommen {001}
Fracture	unregelmäßig
Tenacity	spröde

(Co-)Type locality

(Co-)Type locality	USA /Kalifornien (California)/San Bernardino Co./Baker /Otto Mountain /Aga Mine
Type material	Mineral Sciences Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA
Collection number of type material	65577
Paragenesis of type material	Timroseit

Preface

Name from

Der Name Andychristyite ehrt Andrew (Andy) Gregor Christy (geboren 1963) ein walisisch-australischer Mineraloge, Petrologe, Geochemiker und Grundlagen-Chemiker, für seine Beiträge zur Mineralogie, insbesondere für die Beschreibung der neuen Mineralien (Kapundait, Mössbauerit, Mojaveit, Bluebellit sowie Favreauit), seine Arbeit an Mineralien der Sapphirin-Supergruppe, Pyrochlor-Supergruppe und Hydrotalcit-Supergruppe und in jüngster Zeit für die Unterstützung der Kenntnis der Kristallchemie von Tellur.

Author (Name, Year)

Anthony R. Kampf, Mark A. Cooper, Stuart J. Mills, Robert M. Housley and George R. Rossman (2016)

References

Kampf, A.R., Cooper, M.A., Mills, S.J., Housley, R.M. and Rossman, G.R. (2015) Andychristyite, IMA 2015-024. CNMNC Newsletter No. 26, August 2015, page 943; Mineralogical Magazine, 79, 941 - 947.

Kampf, Anthony R.; Cooper, Mark A.; Mills, Stuart J.; Housley Robert M.; Rossman, George R : Lead–tellurium oxysalts from Otto Mountain near Baker, California: XII. Andychristyite, PbCu²⁺Te⁶⁺O₅(H₂O), a new mineral with HCP stair-step layers. Mineralogical Magazine Vol. 80, No. 10 (2016) S. 1055-1065. [PREPUBLICATION 19 Feb. 2016]

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Karpovite	Tl₂VO(SO₄)₂(H₂O) monoklin : 2 : P2₁	7.CC.
Eckhardite	(Ca,Pb)Cu²⁺Te⁶⁺O₅(H₂O) monoklin : 2/m : P2₁/n	7.CC.
Evdokimovite	Tl₄(VO)₃(SO₄)₅(H₂O)₅ monoklin : 2/m : P2₁/n	7.CC.
Andychristyite	PbCu²⁺Te⁶⁺O₅(H₂O) triklin : 1 : P1	7.CC.
Krausite	KFe³⁺(SO₄)₂·H₂O monoklin : 2/m : P2₁/m	7.CC.05
Amarillite	NaFe³⁺(SO₄)₂·6H₂O monoklin : 2/m : C2/c	7.CC.10
Tamarugite	NaAl(SO₄)₂·6H₂O monoklin : 2/m : P2₁/a	7.CC.10
Kalinite	KAl(SO₄)₂·11 H₂O monoklin : 2/m : C2/c	7.CC.15
Mendozite	NaAl(SO₄)₂·11H₂O monoklin : 2/m : C2/c	7.CC.15
Alum-(K)	KAl(SO₄)₂·12H₂O kubisch : m3 : Pa3	7.CC.20
Lonecreekite	(NH₄)(Fe³⁺,Al)(SO₄)₂·12H₂O kubisch : m3 : Pa3	7.CC.20
Tschermigite	(NH₄)Al(SO₄)₂·12H₂O kubisch : m3 : Pa3	7.CC.20
Lanmuchangite	TlAl[SO₄]₂·12H₂O kubisch : m3 : Pa3	7.CC.20
Alum-(Na)	NaAl(SO₄)₂·12H₂O kubisch : m3 : Pa3	7.CC.20
Voltaite	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂·18H₂O kubisch : m3m : Fd3c	7.CC.25
Pertlikite	K₂(Fe²⁺,Mg)₂(Mg,Fe³⁺)₄Fe³⁺₂Al(SO₄)₁₂·18H₂O tetragonal : 4mm : I4₁cd	7.CC.25
Ammoniomagnesiovoltaite	(NH₄)₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O kubisch : m3m : Fd3c	7.CC.25
Zincovoltaite	K₂(Zn,Fe²⁺,Mn)₅Fe₃³⁺Al(SO₄)₁₂·18H₂O kubisch : m3m : Fd3c	7.CC.25
Ammoniovoltaite	(NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈ kubisch : m3m : Fd3c	7.CC.25
Magnesiovoltaite	K₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O kubisch : m3m : Fd3c	7.CC.25
Kröhnkite	Na₂Cu(SO₄)₂· 2H₂O monoklin : 2/m : P2₁/c	7.CC.30
Ferrinatrite	Na₃Fe(SO₄)₃·3H₂O trigonal : 3 : P3	7.CC.35
Goldichite	KFe³⁺(SO₄)₂·4H₂O monoklin : 2/m : P2₁/c	7.CC.40
Löweite	Na₁₂Mg₇(SO₄)₁₃·15H₂O trigonal : 3 : R3	7.CC.45
Blödite	Na₂Mg(SO₄)₂·4H₂O monoklin : 2/m : P2₁/a	7.CC.50
Changoite	Na₂Zn[SO₄]₂·4H₂O monoklin : 2/m : P2₁/a	7.CC.50
Nickelblödite	Na₂(Ni,Mg)(SO₄)₂·4H₂O monoklin : 2/m : P2₁/a	7.CC.50
Cobaltoblödite	Na₂Co(SO₄)₂·4H₂O monoklin : 2/m : P2₁/a	7.CC.50
Manganoblödite	Na₂Mn(SO₄)₂·4H₂O monoklin : 2/m : P2₁/a	7.CC.50
Leonite	K₂Mg(SO₄)₂·4H₂O monoklin : 2/m : C2/m	7.CC.55
Mereiterite	K₂Fe²⁺[SO₄]₂·4H₂O monoklin : 2/m : C2/m	7.CC.55
Mohrite	(NH₄)₂Fe²⁺(SO₄)₂·6H₂O monoklin : 2/m : P2₁/a	7.CC.60
Konyaite	Na₂Mg(SO₄)₂·5H₂O monoklin : 2/m : P2₁/c	7.CC.60
Picromerite	K₂Mg(SO₄)₂·6H₂O monoklin : 2/m : P2₁/a	7.CC.60
Cyanochroite	K₂Cu(SO₄)·6H₂O monoklin : 2/m : P2₁/c	7.CC.60
Boussingaultite	(NH₄)₂Mg(SO₄)₂·6H₂O monoklin : 2/m : P2₁/a	7.CC.60
Katerinopoulosite	(NH₄)₂Zn(SO₄)₂·6H₂O monoklin : 2/m : P2₁/a	7.CC.60
Nickelpicromerite	K₂Ni(SO₄)₂·6H₂O monoklin : 2/m : P2₁/c	7.CC.60
'Nickelboussingaultite'	(NH₄)₂(Ni,Mg)(SO₄)₂·6H₂O	7.CC.60
Polyhalite	K₂Ca₂Mg(SO₄)₄·2H₂O triklin : 1 : F1	7.CC.65
Leightonite	K₂Ca₂Cu(SO₄)₄·2H₂O monoklin : 2/m : C2/c	7.CC.70

Other languages

German	Andychristyit
English	Andychristyite
Russian	Эндихристиит

IMA Number

IMA 2015-024

Automatic Links to external internet sources (Responsibility is with the operator)

German pages	DeWikiPedia - search for: Andychristyit Google-Bilder-Suche - search for: Andychristyit Mineralogisch-Petrographisches-Institut Hamburg - search for: Andychristyit
English pages	Mindat - search for: Andychristyite Webmineral - search for:Andychristyite Handbook-of-Mineralogy - search for: Andychristyite RRUFF - Raman, XRD and other mineral data - search for: Andychristyite RRUFF - References and PDF downloads - search for: Andychristyite American-Mineralogist-Crystal-Structure-Database - search for: Andychristyite Athena - search for: Andychristyite
Russian pages	Webmineral.ru - search for: Эндихристиит

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German pages

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