Biringuccite
A valid IMA mineral species
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About Biringuccite
Vannoccio Biringuccio (1480-1538/9)
Formula:
Na2B5O8(OH) · H2O
Colour:
White to pale yellow.
Specific Gravity:
2.32
Crystal System:
Monoclinic
Name:
To honor Vannoccio Biringuccio (1480, Siena, Italy – 1538/9, ?), Italian alchemist, metallurgist, politician, mine manager and foundryman; author of the Pirotechnia, his manual on metalworking, published in 1540. He is considered by some as the father of the foundry industry as De la pirotechnia is the first written account of proper foundry practice. He was in charge of casting cannons for Venice and later Florence. In 1536, he was offered a position in Rome by the Catholic Church, and in 1538 he became head of the papal foundry, and director of munitions. He was a Senator of the city of Siena in January and February of 1531.
Type Locality:
This page provides mineralogical data about Biringuccite.
Unique Identifiers
Mindat ID:
679
Long-form identifier:
mindat:1:1:679:0
GUID
(UUID V4):
(UUID V4):
9bc98f85-77bd-4b16-9b85-08b08fc44fd5
IMA Classification of Biringuccite
Approved
Classification of Biringuccite
6.EC.05
6 : BORATES
E : Pentaborates
C : Phyllo-pentaborates
6 : BORATES
E : Pentaborates
C : Phyllo-pentaborates
26.5.7.1
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates
9.1.4
9 : Borates
1 : Borates of the alkalis and boric acid
9 : Borates
1 : Borates of the alkalis and boric acid
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 |
|---|---|---|
| Bgc | 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 Biringuccite
Transparency:
Transparent
Colour:
White to pale yellow.
Density:
2.32 g/cm3 (Measured) 2.297 g/cm3 (Calculated)
Comment:
Measured on synthetic material
Optical Data of Biringuccite
Type:
Biaxial (-)
RI values:
nα = 1.496(2) nβ = 1.539(2) nγ = 1.557(2)
2V:
Measured: 62° , Calculated: 64°
Max Birefringence:
δ = 0.061
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:
Low
Dispersion:
relatively weak
Chemistry of Biringuccite
Mindat Formula:
Na2B5O8(OH) · H2O
Elements listed:
Crystallography of Biringuccite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 11.1955(7) Å, b = 6.5607(4) Å, c = 20.7566(9) Å
β = 93.891(6)°
β = 93.891(6)°
Ratio:
a:b:c = 1.706 : 1 : 3.164
Unit Cell V:
1,521.06 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space group on synthetic
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) |
|---|---|---|---|---|---|---|---|
| 0000418 | Biringuccite | Corazza E, Menchetti S, Sabelli C (1974) The crystal structure of biringuccite, Na4[B10O16(OH)2].2H2O American Mineralogist 59 1005-1015 |  | 1974 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.45 Å | (100) |
| 10.32 Å | (80) |
| 3.05 Å | (55) |
| 3.03 Å | (55) |
| 2.589 Å | (45) |
| 5.18 Å | (40) |
| 2.853 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47c : [Carbonates, phosphates, borates, nitrates] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals | |
| 57 : Other minerals formed by human processes |
Type Occurrence of Biringuccite
Place of Conservation of Type Material:
University of Florence, Florence, Italy, 16802/703; National Museum of Natural History, Washington, D.C., USA, 163785.
Geological Setting of Type Material:
As scales on piping in a geothermal field.
Associated Minerals at Type Locality:
Reference:
Cipriani, C., Vannuccini, P. (1961) Hoeferite e nasinite: due nuovi borati fra i prodotti di Larderello. Parte I. Atti della Accademia Nazionale dei Lincei. Rendiconti della Classe di Scienze Fisiche, Matematiche e Naturali: 30: 74-83. (as hoeferite)
Other Language Names for Biringuccite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 6.EC. | Popugaevaite | Ca3[B5O6(OH)6]FCl2 · 8H2O |
| 6.EC. | Calcioveatchite | SrCaB11O16(OH)5 · 5H2O |
| 6.EC.05 | Nasinite | Na2[B5O8(OH)] · 2H2O |
| 6.EC.10 | Gowerite | Ca[B5O8(OH)][B(OH)3] · 3H2O |
| 6.EC.15 | Veatchite | Sr2B11O16(OH)5 · H2O |
| 6.EC.20 | Volkovskite | KCa4[B5O8OH]4[B(OH)3]2Cl · 4H2O |
| 6.EC.25 | Tuzlaite | NaCaB5O8(OH)2 · 3H2O |
| 6.EC.30 | Heidornite | Na2Ca3B5O8(SO4)2Cl(OH)2 |
| 6.EC.35 | Brianroulstonite | Ca3[B5O6(OH)6](OH)Cl2 · 8H2O |
Other Information
Notes:
Soluble in water
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 Biringuccite
mindat.org URL:
https://www.mindat.org/min-679.html
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References for Biringuccite
Reference List:
Localities for Biringuccite
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 (TL) | |
|
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Larderello, Pomarance, Pisa Province, Tuscany, Italy