Brizziite
A valid IMA mineral species
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About Brizziite
Giancarlo Brizzi
Formula:
NaSb5+O3
Colour:
Colourless, light pink or yellow in aggregates
Lustre:
Pearly
Hardness:
2½
Specific Gravity:
4.8
Crystal System:
Trigonal
Name:
For Dr. Giancarlo Brizzi (1936, Florence, Italy - 1992), a prominent Italian mineral collector and amateur mineralogist who discovered the first specimens. He made significant contributions to the mineralogy of Tuscany and especially the Cetine stibnite mine. He co-authored numerous articles on worldwide mineral occurrences.
A sodium antimonate mineral.
Unique Identifiers
Mindat ID:
778
Long-form identifier:
mindat:1:1:778:0
GUID
(UUID V4):
(UUID V4):
7bdff940-3dcd-4663-8ee4-aaecf6e6c0f5
IMA Classification of Brizziite
Approved
IMA Formula:
NaSbO3
Approval year:
1993
First published:
1994
Classification of Brizziite
4.CB.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
44.3.12.1
44 : ANTIMONATES
3 : Miscellaneous
44 : ANTIMONATES
3 : Miscellaneous
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Bzi | 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 Brizziite
Pearly
Transparency:
Transparent
Colour:
Colourless, light pink or yellow in aggregates
Streak:
White
Hardness:
2½ on Mohs scale
Hardness:
VHN15=41 - 70 kg/mm2 - Vickers
Tenacity:
Elastic
Cleavage:
Perfect
on {0001}
on {0001}
Density:
4.8 g/cm3 (Measured) 4.95 g/cm3 (Calculated)
Optical Data of Brizziite
Type:
Uniaxial (-)
RI values:
nω = 1.840 nε = 1.631
Max Birefringence:
δ = 0.209
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Chemistry of Brizziite
Mindat Formula:
NaSb5+O3
Elements listed:
Crystallography of Brizziite
Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 5.301 Å, c = 15.932 Å
Ratio:
a:c = 1 : 3.005
Unit Cell V:
387.72 ų (Calculated from Unit Cell)
Z:
6
Morphology:
Hexagonal crystals, flattened on {0001}, in dense aggregates and incrustations.
Twinning:
On {0001}, polysynthetic, common.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006566 | Brizziite | Olmi F, Sabelli C (1994) Brizzite, NaSbO3, a new mineral from the Cetine mine (Tuscany, Italy): description and crystal structure European Journal of Mineralogy 6 667-672 | 1994 | Cetine mine, Tuscany, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 1.874 Å | (100) |
| 2.365 Å | (69) |
| 1.471 Å | (69) |
| 2.650 Å | (67) |
| 5.30 Å | (53) |
| 3.00 Å | (50) |
| 1.185 Å | (47) |
Comments:
Recorded on type material
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Brizziite
General Appearance of Type Material:
Dense aggregates and incrustations of platy hexagonal crystals to 0.2 mm.
Place of Conservation of Type Material:
University of Florence, Florence, Italy (No. 2037/RI).
Geological Setting of Type Material:
Weathering product of stibnite in an antimony deposit in highly silicified limestone.
Associated Minerals at Type Locality:
Reference:
Olmi, F. and Sabelli, C. (1994): Brizziite, NaSbO3, a new mineral from the Cetine mine (Tuscany, Italy): description and crystal structure. European Journal of Mineralogy 6, 667-672.
Synonyms of Brizziite
Other Language Names for Brizziite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
| 4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
| 4.CB. | Zhenruite | (MoO3)2 · H2O |
| 4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
| 4.CB. | Virgilluethite | MoO3 · H2O |
| 4.CB.05 | Corundum | Al2O3 |
| 4.CB.05 | Ecandrewsite | (Zn,Fe2+,Mn2+)TiO3 |
| 4.CB.05 | Eskolaite | Cr2O3 |
| 4.CB.05 | Geikielite | MgTiO3 |
| 4.CB.05 | Hematite | Fe2O3 |
| 4.CB.05 | Ilmenite | Fe2+TiO3 |
| 4.CB.05 | Karelianite | V3+2O3 |
| 4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
| 4.CB.05 | Pyrophanite | Mn2+TiO3 |
| 4.CB.05 | Akimotoite | (Mg,Fe2+)SiO3 |
| 4.CB.05 | Auroantimonate | AuSbO3 |
| 4.CB.05 | UM1998-11-O-AuHSb | Au+2Sb3+O2(OH) |
| 4.CB.05 | Tistarite | Ti3+2O3 |
| 4.CB.05 | Unnamed (Fe-Cr Oxide) | FeCrO3 |
| 4.CB.05 | Hemleyite | (Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3 |
| 4.CB.10 | Avicennite | Tl2O3 |
| 4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
| 4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
| 4.CB.15 | Armalcolite | (Mg,Fe2+)Ti2O5 |
| 4.CB.15 | Sassite | Ti3+2Ti4+O5 |
| 4.CB.15 | Pseudobrookite | Fe2TiO5 |
| 4.CB.15 | Ferropseudobrookite | Fe2+Ti2O5 |
| 4.CB.15 | Griffinite | Al2TiO5 |
| 4.CB.15 | Pseudobrookite Group | |
| 4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2 |
| 4.CB.20 | Zincohögbomite-2N6S | [(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-6N6S | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
| 4.CB.20 | Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
| 4.CB.20 | Ferrohögbomite-6N12S | [(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6 |
| 4.CB.20 | Magnesiohögbomite-2N4S | (Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2 |
| 4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
| 4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
| 4.CB.25 | Pseudorutile | Fe2Ti3O9 |
| 4.CB.25 | Kleberite | FeTi6O11(OH)5 |
| 4.CB.30 | Berdesinskiite | V3+2TiO5 |
| 4.CB.30 | Oxyvanite | V3+2V4+O5 |
| 4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
| 4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
| 4.CB.35 | Schreyerite | V3+2Ti3O9 |
| 4.CB.35 | Machiite | Al2Ti3O9 |
| 4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
| 4.CB.40 | Kamiokite | Fe2Mo3O8 |
| 4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
| 4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
| 4.CB.40 | Iseite | Mn2Mo3O8 |
| 4.CB.40 | Majindeite | Mg2Mo3O8 |
| 4.CB.45 | Claudetite | As2O3 |
| 4.CB.45 | Stibioclaudetite | AsSbO3 |
| 4.CB.50 | Arsenolite | As2O3 |
| 4.CB.50 | Senarmontite | Sb2O3 |
| 4.CB.55 | Valentinite | Sb2O3 |
| 4.CB.60 | Bismite | Bi2O3 |
| 4.CB.65 | Sphaerobismoite | Bi2O3 |
| 4.CB.70 | Sillénite | Bi12SiO20 |
| 4.CB.75 | Kyzylkumite | V3+Ti2O5(OH) |
| 4.CB.80 | Tietaiyangite | Fe3+4Fe2+TiO9 |
| 4.CB.85 | Liuite | FeTiO3 |
| 4.CB.90 | Luogufengite | Fe2O3 |
| 4.CB.95 | Wangdaodeite | FeTiO3 |
Other Information
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 Brizziite
mindat.org URL:
https://www.mindat.org/min-778.html
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References for Brizziite
Reference List:
Olmi, Filippo, Sabelli, Cesare (1994) Brizziite, NaSbO3, a new mineral from the Cetine mine (Tuscany, Italy): description and crystal structure. European Journal of Mineralogy, 6 (5) 667-672 doi:10.1127/ejm/6/5/0667
Olmi, Filippo, Sabelli, Cesare (1994) Brizziite, NaSbO3, a new mineral from the Cetine mine (Tuscany, Italy): description and crystal structure. European Journal of Mineralogy, 6 (5) 667-672 doi:10.1127/ejm/6/5/0667
Localities for Brizziite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Italy | |
| www.researchgate.net (n.d.) +3 other references |
| Mineralogical Record 27 +3 other references |
Poland | |
| Gołębiowska et al. (2021) |
| Gołębiowska et al. (2021) |
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Le Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy