Nasinite
A valid IMA mineral species
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About Nasinite
Raffaello Nasini
Formula:
Na2[B5O8(OH)] · 2H2O
Colour:
White to yellow, yellow-orange
Lustre:
Earthy
Specific Gravity:
2.2
Crystal System:
Orthorhombic
Name:
Named in 1961 by Curzio Cipriani and Piero Vannuccini in honour of Raffaello Nasini (11 August 1854, Siena, Italy – 29 March 1931, Rome, Italy), chemist at the universities of Padua and Pisa.
He studied chemistry at the University of Pisa, where he received his doctorate in 1878. After working in the laboratory of Stanislao Cannizzaro in Rome and with Hans Heinrich Landolt in Berlin, he became professor of general chemistry at the University of Padua in 1891. In May 1906 he moved to the University of Pisa. His work contributed to the formation of one of the great schools of applied chemistry in Italy. Nasini was considered a versatile researcher with a focus on physical chemistry and analytical chemistry. Together with Ludwig Mond, he published an article on the physico-chemical properties of nickel tetracarbonyl.
The focus of his work in the field of analytical chemistry was on the investigation of volcanic rocks, the occurrence of boron in water, the occurrence of noble gases and radioactive substances and the quality of Roman drinking water.
He studied chemistry at the University of Pisa, where he received his doctorate in 1878. After working in the laboratory of Stanislao Cannizzaro in Rome and with Hans Heinrich Landolt in Berlin, he became professor of general chemistry at the University of Padua in 1891. In May 1906 he moved to the University of Pisa. His work contributed to the formation of one of the great schools of applied chemistry in Italy. Nasini was considered a versatile researcher with a focus on physical chemistry and analytical chemistry. Together with Ludwig Mond, he published an article on the physico-chemical properties of nickel tetracarbonyl.
The focus of his work in the field of analytical chemistry was on the investigation of volcanic rocks, the occurrence of boron in water, the occurrence of noble gases and radioactive substances and the quality of Roman drinking water.
Type Locality:
This page provides mineralogical data about Nasinite.
Unique Identifiers
Mindat ID:
2842
Long-form identifier:
mindat:1:1:2842:0
Similar Names
IMA Classification of Nasinite
Approved
IMA Formula:
Na2B5O8(OH)(H2O)2
First published:
1961
Classification of Nasinite
6.EC.05
6 : BORATES
E : Pentaborates
C : Phyllo-pentaborates
6 : BORATES
E : Pentaborates
C : Phyllo-pentaborates
26.5.6.1
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates
9.1.5
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Nas | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Nas | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Nasinite
Earthy
Transparency:
Translucent
Comment:
Earthy in masses with other species
Colour:
White to yellow, yellow-orange
Density:
2.2 g/cm3 (Measured) 2.134 g/cm3 (Calculated)
Optical Data of Nasinite
Type:
Biaxial (-)
RI values:
nα = 1.494 nβ = 1.512 nγ = 1.524
2V:
Measured: 69° , Calculated: 77°
Max. Birefringence:
δ = 0.030
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Moderate
Dispersion:
weak
Chemistry of Nasinite
Mindat Formula:
Na2[B5O8(OH)] · 2H2O
Element Weights:
Elements listed:
Crystallography of Nasinite
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Cell Parameters:
a = 12.015(2) Å, b = 6.518(1) Å, c = 11.173(1) Å
Ratio:
a:b:c = 1.843 : 1 : 1.714
Unit Cell V:
875.00 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space Group: P na21 (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) |
|---|---|---|---|---|---|---|---|
| 0009544 | Nasinite | Corazza E, Menchetti S, Sabelli C (1975) The crystal structure of nasinite, Na2[B5O8(OH)]*2H2O Acta Crystallographica B31 2405-2410 |  | 1975 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.00 Å | (100) |
| 5.29 Å | (92) |
| 2.897 Å | (65) |
| 2.999 Å | (45) |
| 2.648 Å | (26) |
| 2.531 Å | (18) |
| 2.207 Å | (18) |
Comments:
Synthetic material
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 25 : Evaporites (prebiotic) | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals | |
| 57 : Other minerals formed by human processes |
Type Occurrence of Nasinite
General Appearance of Type Material:
Incrustations. Earthy mass of mechanically inseparable species.
Place of Conservation of Type Material:
1) University of Florence, Florence, Italy, 16803/G.
2) National Museum of Natural History, Washington, D.C., USA, 163785.
2) National Museum of Natural History, Washington, D.C., USA, 163785.
Geological Setting of Type Material:
Hydrothermal vent
Associated Minerals at Type Locality:
Other Language Names for Nasinite
Common Associates
Associations Based on Photo Data:
| 1 photo of Nasinite associated with Biringuccite | Na2B5O8(OH) · H2O |
Related Minerals - Strunz-mindat Grouping
| 6.EC. | Calcioveatchite | SrCaB11O16(OH)5 · 5H2O |
| 6.EC.05 | Biringuccite | Na2B5O8(OH) · H2O |
| 6.EC.10 | Gowerite | Ca[B5O8(OH)][B(OH)3] · 3H2O |
| 6.EC.15 | 'Veatchite-2M' | Sr2B11O16(OH)5 · H2O |
| 6.EC.15 | 'Veatchite-A' | Sr2B11O16(OH)5 · H2O |
| 6.EC.15 | Veatchite | Sr2B11O16(OH)5 · H2O |
| 6.EC.15 | 'Veatchite-1M' | 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 | Popugaevaite | Ca3[B5O6(OH)6]FCl2 · 8H2O |
| 6.EC.35 | Brianroulstonite | Ca3[B5O6(OH)6](OH)Cl2 · 8H2O |
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 Nasinite
mindat.org URL:
https://www.mindat.org/min-2842.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Nasinite
Reference List:
IMA (1967) International Mineralogical Association: Commission on New Minerals and Mineral Names. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (277) 131-136 doi:10.1180/minmag.1967.036.277.20
Localities for Nasinite
Showing 1 localities.
ⓘ - 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.
- 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) | |
| Cipriani (1959) +4 other references |
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Larderello, Pomarance, Pisa Province, Tuscany, Italy