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Tiberiobardiite

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About TiberiobardiiteHide

Formula:
{Cu9Al[SiO3(OH)]2(OH)12(H2O)6}(SO4)1.5 ·10H2O
Colour:
Light green
Lustre:
Vitreous
Specific Gravity:
2.528 (Calculated)
Crystal System:
Trigonal
Name:
Named in honor of Tiberio Bardi (b. 1960) for his contribution to the study of the mineralogy of Tuscany. He collected the first specimens.
The Si analogue of chalcophyllite.


Classification of TiberiobardiiteHide

Approved
Approval Year:
2017
First Published:
2018

Physical Properties of TiberiobardiiteHide

Vitreous
Transparency:
Transparent
Colour:
Light green
Streak:
Pale green
Cleavage:
Perfect
perfect {0001}
Fracture:
Irregular/Uneven
Density:
2.528 g/cm3 (Calculated)

Chemical Properties of TiberiobardiiteHide

Formula:
{Cu9Al[SiO3(OH)]2(OH)12(H2O)6}(SO4)1.5 ·10H2O
IMA Formula:
{Cu9Al[SiO3(OH)]2(OH)12(H2O)6}(SO4)1.5 · 10H2O

Crystallography of TiberiobardiiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 10.6860(4) Å, c = 28.3239(10) Å
Ratio:
a:c = 1 : 2.651
Unit Cell V:
2801 ų
Z:
3
Morphology:
Tabular {0001}, pseudo-hexagonal crystals

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.4(s)
4.67(s)
2.68(w)
2.576(m)
2.330(m)
2.041(mw)
1.548(w)
1.528(w)

Type Occurrence of TiberiobardiiteHide

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
Associated Minerals at Type Locality:
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.

Synonyms of TiberiobardiiteHide

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.

References for TiberiobardiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Biagioni, C., Pasero, M. Zaccarini, F. (2017): Tiberiobardiite, IMA 2016-096. CNMNC Newsletter No. 36, April 2017, page 404; Mineralogical Magazine: 81: 403–409; http://forum.amiminerals.it/viewtopic.php?f=5&t=13630 (2017).
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. https://doi.org/10.3390/min8040152

Internet Links for TiberiobardiiteHide

Localities for TiberiobardiiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy (TL)
 
  • Tuscany
    • Grosseto Province
      • Massa Marittima
        • Prata
Biagioni, C., Pasero, M. Zaccarini, F. (2017): Tiberiobardiite, IMA 2016-096. CNMNC Newsletter No. 36, April 2017, page 404; Mineralogical Magazine: 81: 403–409
Mineral and/or Locality  
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