Biagioni, Cristian, Pasero, Marco, Zaccarini, Federica (2018) Tiberiobardiite, Cu9Al(SiO3OH)2(OH)12(H2O)6(SO4)1.5·10H2O, a New Mineral Related to Chalcophyllite from the Cretaio Cu Prospect, Massa Marittima, Grosseto (Tuscany, Italy): Occurrence and Crystal Structure. Minerals, 8 (4) 152 doi:10.3390/min8040152

Classification of TiberiobardiiteHide

Strunz-mindat (2024):

7.DE.47

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H₂O
E : With only medium-sized cations; unclassified

Mineral SymbolsHide

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

Symbol	Source	Reference
Tbd	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 TiberiobardiiteHide

Lustre:

Vitreous, Sub-Vitreous, Dull

Transparency:

Transparent

Colour:

Light greenish blue

Streak:

Pale green

Hardness Data:

Could not be measured

Tenacity:

Brittle

Cleavage:

Perfect
perfect {0001}

Fracture:

Irregular/Uneven

Density:

1.568 g/cm³ (Calculated)

Comment:

Could not be measured due to lack of material.

Optical Data of TiberiobardiiteHide

Type:

Uniaxial

Comments:

Optical properties were not measured due to small amount of material. The given mean refractive index is calculated.

Chemistry of TiberiobardiiteHide

Mindat Formula:

{Cu₉Al[SiO₃(OH)]₂(OH)₁₂(H₂O)₆}(SO₄)_1.5 · 10H₂O

Elements listed:

Al, Cu, H, O, S, Si - search for minerals with similar chemistry

Crystallography of TiberiobardiiteHide

Crystal System:

Trigonal

Class (H-M):

3 - Rhombohedral

Space Group:

Cell Parameters:

a = 10.6860(4) Å, c = 28.3239(10) Å

Ratio:

a:c = 1 : 2.651

Unit Cell V:

2801 Å³

Morphology:

Tabular {0001}, pseudo-hexagonal crystals

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
9.4 Å	(100)
4.67 Å	(4)
2.73 Å	(3)
2.68 Å	(13)
2.576 Å	(13)
2.330 Å	(10)
2.041 Å	(7)
1.548 Å	(4)
1.528 Å	(2)
1.469 Å	(2)

Comments:

Biagioni,Cristian, Pasero, Marco, and Zaccarini, Federica (2018) Tiberiobardiite, Cu9Al(SiO3OH)2(OH)12(H2O)6(S4)1.5·10H2O, a New Mineral Related to Chalcophyllite from the Cretaio Cu Prospect, Massa Marittima, Grosseto (Tuscany, Italy): Occurrence and Crystal Structure, Minerals 2018, 8, 152-165. (Reference includes d-values that were not observed, but were calculated.)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]
47d : [Arsenates, antimonates, selenates, bismuthinates]

Type Occurrence of TiberiobardiiteHide

Type Locality:

ⓘ Cretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy

General Appearance of Type Material:

Pseudo-hexagonal crystals, up to 200 μm in size and 5 μm in thickness.

Place of Conservation of Type Material:

Mineralogical collections of the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), Italy (catalogue number 19900)

Geological Setting of Type Material:

Copper deposit with abundant secondary coper species: antlerite, brochantite, chalcanthite, chalcoalumite, connellite, langite, libethenite, malachite, posnjakite, serpierite/devilline, and spangolite.

Associated Minerals at Type Locality:

Brochantite

Reference:

Biagioni, C., Pasero, M., Zaccarini, F. (2018) Tiberiobardiite, Cu9Al(SiO3OH)2(OH)12(H2O)6(SO4)1.5·10H2O, a New Mineral Related to Chalcophyllite from the Cretaio Cu Prospect, Massa Marittima, Grosseto (Tuscany, Italy): Occurrence and Crystal Structure. Minerals 2018: 8(4): 152.

Download:

http://www.mdpi.com/2075-163X/8/4/152/pdf

Synonyms of TiberiobardiiteHide

IMA2016-096

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Tiberiobardiite associated with Brochantite

Cu₄(SO₄)(OH)₆

Related Minerals - Strunz-mindat Grouping Hide

7.DE.	Cossaite	(Mg_0.5,◻)Al₆(SO₄)₆(HSO₄)F₆ · 36H₂O	Trig. 3 : R3
7.DE.	Magnesioalterite	Mg₂Fe³⁺₄(SO₄)₄(C₂O₄)₂(OH)₄ · ₁₇H₂O	Mon. 2/m : B2/b
7.DE.	Liangjunite	K₂(Mo₂O₅)(SO₄)₂ · 3H₂O	Tric. 1 : P1
7.DE.	Fabritzite	Zn₉(SO₄)₂(OH)₁₂Cl₂ · 6H₂O	Trig. 3 : R3
7.DE.	Downsite	K₂(MoO₃)₃(SO₄) · 4H₂O	Mon. 2/m : B2/m
7.DE.05	Mangazeite	Al₂(SO₄)(OH)₄ · 3H₂O	Tric.
7.DE.10	Carbonatecyanotrichite	Cu₄Al₂(CO₃,SO₄)(OH)₁₂ · 2H₂O	Mon. 2/m : B2/m
7.DE.10	Cyanotrichite	Cu₄Al₂(SO₄)(OH)₁₂ · 2H₂O	Mon. 2/m : B2/m
7.DE.10	UKI-1975-(SO:AlCu)	(Cu, Al, SO₄, H₂O)
7.DE.15	Schwertmannite	Fe³⁺₁₆(OH,SO₄)_12-13O₁₆ · 10-12H₂O	Tet.
7.DE.20	Tlalocite	Cu₁₀Zn₆(Te⁶⁺O₄)₂(Te⁴⁺O₃)(OH)₂₅Cl · 27H₂O	Orth.
7.DE.25	Utahite	MgCu₄Zn₂Te⁶⁺₃O₁₄(OH)₄ · 6H₂O	Tric. 1 : P1
7.DE.35	Coquandite	Sb_6+xO_8+x(SO₄)(OH)_x(H₂O)_{1- x} (x = 0.3)	Tric. 1 : P1
7.DE.40	Osakaite	Zn₄(SO₄)(OH)₆ · 5H₂O	Tric. 1 : P1
7.DE.42	Alterite	Zn₂Fe³⁺₄(SO₄)₄(C₂O₄)₂(OH)₄ · 17H₂O	Mon. 2/m : B2/b
7.DE.45	Wilcoxite	MgAl(SO₄)₂F · 17H₂O	Tric. 1 : P1
7.DE.45	Barrotite	Cu₉Al(HSiO₄)₂[(SO₄)(HAsO₄)_0.5](OH)₁₂ · 8H₂O	Trig. 3
7.DE.50	Stanleyite	(V⁴⁺O)(SO₄) · 6H₂O	Orth.
7.DE.50	Bouškaite	(MoO₂)₂O(SO₃OH)₂(H₂O)₄	Tric. 1 : P1
7.DE.57	Khangalasite	Fe(SO₄)(OH) · 2H₂O	Tric.
7.DE.60	Hydrobasaluminite	Al₄(SO₄)(OH)₁₀ · 12-36H₂O	Mon.
7.DE.62	Volaschioite	Fe₄(SO₄)O₂(OH)₆ · 2H₂O	Mon. 2/m : B2/m
7.DE.65	Zaherite	Al₁₂(SO₄)₅(OH)₂₆ · 20H₂O	Tric.
7.DE.75	Camérolaite	Cu₆Al₃(OH)₁₈(H₂O)₂[Sb(OH)₆](SO₄)	Tric. 1 : P1

Fluorescence of TiberiobardiiteHide

In UV light:

Not fluorescent in UV

Other InformationHide

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 TiberiobardiiteHide

mindat.org URL:

https://www.mindat.org/min-51560.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for TiberiobardiiteHide

Reference List:

Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017. CNMNC Newsletter No 36. Mineralogical Magazine, 81 (2) 403-409 doi:10.1180/minmag.2017.081.022

(2023) Tiberiobardiite. Handbook of Mineralogy. Mineralogical Society of America

Localities for TiberiobardiiteHide

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

- 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.


Italy (TL)
Tuscany Grosseto Province Massa Marittima Prata ⓘ Cretaio (TL)	Mineralogical Magazine: 81: 403–409 +2 other references

Sweden
Värmland County Sunne ⓘ Källargruvan	Färber (n.d.)

Tiberiobardiite

About TiberiobardiiteHide

Unique IdentifiersHide

IMA Classification of TiberiobardiiteHide