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Pictures (6 Images total)

Views (Image: 1171725620): 2146

Woodwardit auf Gips

Woodwardit; Hilarion-Stollen Lavrion;

Collection:

Fritz Schreiber

Contribution: Stefan 2007-02-17

Locality: Hilarion Mine (Hilarion-Stollen, Mine Nr. 50) / Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland

Views (Image: 1171725557): 1883

Woodwardit auf Gips

Woodwardit; Hilarion-Stollen Lavrion;

Collection:

Fritz Schreiber

Contribution: Stefan 2007-02-17

Locality: Hilarion Mine (Hilarion-Stollen, Mine Nr. 50) / Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland

Views (Image: 1418929118): 1102

Woodwardit ?

Rinnerlahner, Pfitscher Joch, Südtirol, Italien, Bildbreite 2,2 mm, ein Raman-Spektrum der blauen Kristalle durch Ivano Rocchetti ergab mit einer errechneten Wahrscheinlichkeit von 88% Woodwardit

Collection:

Kainosit

Contribution: Kainosit 2014-12-18

Locality: Rinnerlahner / Pfitscher Joch / St. Jakob-Stein / Pfitsch (Pfitschtal) / Wipptal, Bezirk / Südtirol (Bozen), Provinz / Trentino-Südtirol (Trentino-Alto Adige), Region / Italien

Views (Image: 1427182324): 1029

Woodwardit xx

wasserhaltiges Sulfat, in türkisblauen Ablagerungen um Kieselsteine und Bachsedimente enstanden; Hier eine Seltenheit 1,2kg schwerer Schwimmer mit Woodwardit-Ablagerungen Fund 2009; geschl. Mine Ch...

Collection:

ebjoe04

joachim Kremers

Contribution: ebjoe04 2015-03-24

Locality: Servette-Chuc Bergbaukomplex / Saint-Marcel / Aostatal (Valle d'Aosta), Region / Italien

Views (Image: 1628946389): 61

Woodwardit

Deutschland/Sachsen/Erzgebirgskreis/Marienberg, Revier/Wolkenstein/Grube St. Johannes. Bildbreite 1,3 mm

Collection:

Ulrich Baumgärtl

Contribution: Ulrich Baumgärtl 2021-08-14

Locality: Grube St. Johannes / Wolkenstein / Marienberg, Revier / Erzgebirgskreis / Sachsen / Deutschland

Views (Image: 1282474737): 1497

Woodwardit

Bildbreite: 8 mm, Fundort: Golf von Baratti, Populonia, Livorno, Toskana, Italien

Luigi Chiappino

Contribution: thdun5 2010-08-22

Locality: Golf von Baratti / Populonia / Livorno, Provinz / Toskana (Toscana) / Italien

More images

Collectors Summary

Color

grünblau, türkis

Streak color

hellblau

Solubility

+++ Säuren

Crystal System

hexagonal,

Chemism

Chemical formula

(Cu_0.75Al_0.25)(SO₄)_0.125(OH)₂·0.3H₂O

Additional chem. information

(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O_{(x < 0.5, n < 3x/2)}

Chemical composition

Aluminium, Kupfer, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 105.83236325 u; Number of atoms in the formula: 6.525

Info

Empirical formula:

(Cu_0.75Al_0.25)(SO₄)_0.125(OH)₂·0.3H₂O

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	2.48	2.6	39.85	1.0079470	2.6206622
Oxygen	O	42.33	2.8	42.91	15.9994300	44.7984040
Aluminium	Al	6.37	0.25	3.83	26.9815382	6.7453846
Sulfur	S	3.79	0.13	1.92	32.0655000	4.0081875
Copper	Cu	45.03	0.75	11.49	63.5463000	47.6597250

Search for minerals with similar chemistry

Analysis wt%

CuO : 46.77, Al₂O₃ : 14.99, SO₃ : 11.77, H₂O : 26.48 (Ref: berechnet)

Strunz 9th edition incl. updates

7.DD.35

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H₂O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
35:Woodwardit-Gruppe

Lapis Classification

VI/D.08-040

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
8: Mittelgroße Kationen

Classification by Hölzel

7.DD.610

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
D: Sulfate-Hydrotalcites

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

Hydrotalcite Supergroup ⇒ Woodwardite Group

Optical Properties

Color	grünblau, türkis
Streak color	hellblau
Diaphaneity (Transparency)	durchscheinend
max. Birefringence	0.013
	$Birefringence chart\! Woodwardite title=Birefringence chart Woodwardite$ Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.
RI value α / ω / n	1.552
RI value β	1.555
RI value γ / ε	1.565
Ri mean	1.557
2V angle	Biaxial (+) 60°

Crystallography

Crystal System	hexagonal
Cell parameters a (Å)	3.061
Cell parameters b (Å)	-
Cell parameters c (Å)	25.55
Cell parameters a/b or c/a	8.347
Cell parameters c/b	-
Cell parameters α	90°
Cell parameters β	90°
Cell parameters γ	120°
Z	3
Volumne (Å³)	207.323
X-Ray Powder Diffraction	9.1(100), 4.43(50), 2.58(50), 1.50(30)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Density (g/cm³)	2.38
	2.543 ( ρ calc. Mineralienatlas )
Instability	+++ Säuren

(Co-)Type locality

UK /England /Cornwall Co.

Preface

Author (Name, Year)

Church, 1866

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 762

IMA group assignments

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

Shigaite	NaMn₆²⁺Al₃[(OH)₁₈\|(SO₄)₂]·12H₂O trigonal : 3 : R3	7.DD.35
Honessite	(Ni_1-xFe³⁺_x)(SO₄)_x/2(OH)₂·nH₂O {x<0.5}{n<3x/2} hexagonal	7.DD.35
Carrboydite	(Ni,Al)₉(SO₄)₂(OH)₁₈·10H₂O hexagonal	7.DD.35
Wermlandite	(Ca,Mg)Mg₇(Al,Fe³⁺)₂(SO₄)₂(OH)₁₈·12H₂O trigonal : 3m : P3c1	7.DD.35
Woodwardite	(Cu_0.75Al_0.25)(SO₄)_0.125(OH)₂·0.3H₂O hexagonal	7.DD.35
Motukoreaite	Mg₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂·6H₂O trigonal : 3m : R3m	7.DD.35
Nikischerite	NaFe₆²⁺Al₃[(OH)₁₈\|(SO₄)₂]·12H₂O trigonal : 3 : R3	7.DD.35
Mountkeithite	(Mg,Ni)₁₁(Fe³⁺,Cr,Al)₃(OH)₂₄(SO₄,CO₃)_3.5·11H₂O hexagonal	7.DD.35
'Zincaluminite'	Zn₆Al₆(SO₄)₂(OH)₂₆·5H₂O	7.DD.35
Glaucocerinite	(Zn_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O {x<0.5}{n>3x/2} hexagonal	7.DD.35
Hydrohonessite	(Ni_1-x Fe³⁺_x)(SO₄)_x/2(OH)₂·nH₂O {x < 0.5} {n > 3x/2} hexagonal	7.DD.35
Hydrowoodwardite	(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O {x<0.5}{n>3x/2} trigonal : 3m : R3m	7.DD.35
'Zincowoodwardite'		7.DD.35
'Natroglaucocerinite'	NaZn₅Al₃[(OH)₁₆\|(SO₄)₂]·6H₂O trigonal : 3 : P3	7.DD.35
Zincowoodwardit-1R	[Zn_1-xAl_x(OH)₂][(SO₄)_x/2·nH₂O] _{{x = 0.32-0.50}}	7.DD.35
'Zincowoodwardite-3R'	[Zn_1-xAl_x(OH)₂][(SO₄)_x/2·nH₂O {x=0.32-0.50} trigonal : 3 : R3	7.DD.35

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

Bechererite	Zn₇Cu[(OH)₁₃\|SiO(OH)₃\|SO₄] trigonal : 3, 3 : P3, P3	VI/D.08-005
Spangolite	Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O trigonal : 3m : P31c	VI/D.08-010
Cyanotrichite	Cu₄Al₂(SO₄)(OH)₁₂·2H₂O monoklin : 2/m : C2/m	VI/D.08-020
Carbonatecyanotrichite	Cu₄²⁺Al₂(CO₃,SO₄)(OH)₁₂·2H₂O	VI/D.08-030
Camérolaite	Cu₄Al₂[HSbO₄,SO₄]OH₁₀(CO₃)·2H₂O monoklin : 2, 2/m : P2₁, P2₁/m	VI/D.08-035
Woodwardite	(Cu_0.75Al_0.25)(SO₄)_0.125(OH)₂·0.3H₂O hexagonal	VI/D.08-040
Hydrowoodwardite	(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O {x<0.5}{n>3x/2} trigonal : 3m : R3m	VI/D.08-042
'Zincowoodwardite'		VI/D.08-045
Chalcoalumite	CuAl₄(SO₄)(OH)₁₂·3H₂O monoklin : 2 : P2₁	VI/D.08-050
Kyrgyzstanite	ZnAl₄(SO₄)(OH)₁₂·3H₂O	VI/D.08-055
'Nickelalumite'	(Ni,Cu)Al₄[(SO₄),(NO₃)₂](OH)₁₂·3H₂O monoklin : 2/m : P2₁/n	VI/D.08-060
Mbobomkulite	(Ni,Cu)Al₄[(NO₃)₂,(SO₄)](OH)₁₂·3H₂O monoklin	VI/D.08-070
Hydrombobomkulite	(Ni,Cu)Al₄[(NO₃)₂,(SO₄)](OH)₁₂·13-14H₂O monoklin	VI/D.08-080
Carrboydite	(Ni,Al)₉(SO₄)₂(OH)₁₈·10H₂O hexagonal	VI/D.08-090
'Zincaluminite'	Zn₆Al₆(SO₄)₂(OH)₂₆·5H₂O	VI/D.08-100
Glaucocerinite	(Zn_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O {x<0.5}{n>3x/2} hexagonal	VI/D.08-110

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

Cyanotrichite	Cu₄Al₂(SO₄)(OH)₁₂·2H₂O monoklin : 2/m : C2/m	7.DD.600
Woodwardite	(Cu_0.75Al_0.25)(SO₄)_0.125(OH)₂·0.3H₂O hexagonal	7.DD.610
Carbonatecyanotrichite	Cu₄²⁺Al₂(CO₃,SO₄)(OH)₁₂·2H₂O	7.DD.650

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

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Woodwardit
Crystal-Treasure.com - search for: Woodwardit
Bosse - search for: Woodwardit

Locations with GPS information