Hambergite
A valid IMA mineral species - grandfathered
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About Hambergite
Formula:
Be2(BO3)(OH)
Colour:
Colourless, greyish, yellowish; colourless in transmitted light
Lustre:
Vitreous
Hardness:
7½
Specific Gravity:
2.347 - 2.372
Crystal System:
Orthorhombic
Name:
Named in 1890 by Waldemar Christofer Brøgger in honor of Axel Hamberg [January 17, 1863 Klara FÜrsamling, Stockholm, Sweden - June 28, 1933 Stockholm, Sweden], professor of geography at the University of Uppsala, Sweden, who drew attention to the first specimens.
Type Locality:
A pegmatite mineral often occurring with beryl.
Visit gemdat.org for gemological information about Hambergite.
Unique Identifiers
Mindat ID:
1811
Long-form identifier:
mindat:1:1:1811:7
GUID
(UUID V4):
(UUID V4):
e49bd013-c8ca-43ce-bcdb-9a4aab4de494
IMA Classification of Hambergite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1890
Classification of Hambergite
6.AB.05
6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
25.1.1.1
25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
9.2.1
9 : Borates
2 : Borates of Be and Mg
9 : Borates
2 : Borates of Be and Mg
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Hb | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Ham | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Pronunciation of Hambergite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Hambergite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Colourless, greyish, yellowish; colourless in transmitted light
Streak:
White
Hardness:
7½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On {010}; on {100} good.
On {010}; on {100} good.
Density:
2.347 - 2.372 g/cm3 (Measured) 2.365 g/cm3 (Calculated)
Optical Data of Hambergite
Type:
Biaxial (+)
RI values:
nα = 1.554 - 1.560 nβ = 1.587 - 1.591 nγ = 1.628 - 1.631
2V:
Calculated: 87°
Max Birefringence:
δ = 0.074
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:
Moderate
Dispersion:
weak r > v
Chemistry of Hambergite
Mindat Formula:
Be2(BO3)(OH)
Elements listed:
Crystallography of Hambergite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbca
Cell Parameters:
a = 9.762(2) Å, b = 12.201(2) Å, c = 4.430(1) Å
Ratio:
a:b:c = 0.8 : 1 : 0.363
Unit Cell V:
527.6 Ă
Âł
Z:
8
Morphology:
Crystals prismatic [001], frequently flattened {100}. {100} striated [001] with dull and etched terminal faces (large crystals).
Twinning:
Twin and composition plane {110}.
Comment:
Cell parameters from Gatta et al (2012).
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) |
---|---|---|---|---|---|---|---|
0019722 | Hambergite | Gatta G D, McIntyre G J, Bromiley G, Guastoni A, Nestola F (2012) A single-crystal neutron diffraction study of hambergite, Be2BO3(OH,F) American Mineralogist 97 1891-1897 | 2012 | Anjanabonoina mine, Madagascar | 0 | 293 | |
0005470 | Hambergite | Burns P C, Novak M, Hawthorne F C (1995) Fluorine-hydroxyl variation in hambergite: A crystal-structure study The Canadian Mineralogist 33 1205-1213 | 1995 | Himalaya mine, California, USA | 0 | 293 | |
0005471 | Hambergite | Burns P C, Novak M, Hawthorne F C (1995) Fluorine-hydroxyl variation in hambergite: A crystal-structure study The Canadian Mineralogist 33 1205-1213 | 1995 | Susice | 0 | 293 | |
0005472 | Hambergite | Burns P C, Novak M, Hawthorne F C (1995) Fluorine-hydroxyl variation in hambergite: A crystal-structure study The Canadian Mineralogist 33 1205-1213 | 1995 | Ctidruzice | 0 | 293 | |
0005473 | Hambergite | Burns P C, Novak M, Hawthorne F C (1995) Fluorine-hydroxyl variation in hambergite: A crystal-structure study The Canadian Mineralogist 33 1205-1213 | 1995 | Kracovice | 0 | 293 | |
0005474 | Hambergite | Burns P C, Novak M, Hawthorne F C (1995) Fluorine-hydroxyl variation in hambergite: A crystal-structure study The Canadian Mineralogist 33 1205-1213 | 1995 | Kracovice | 0 | 293 | |
0018127 | Hambergite | Zachariasen W (1931) The crystalline structure of hambergite Be2BO3(OH) _cod_database_code 1011268 Zeitschrift fur Kristallographie 76 289-302 | 1931 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.81 Ă | (100) |
3.13 Ă | (90) |
4.53 Ă | (80) |
3.19 Ă | (80) |
2.40 Ă | (70) |
2.21 Ă | (70) |
2.13 Ă | (70) |
Comments:
Anjanabanoana, Madagascar. Data from Switzer et al. 1965.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
34 : Complex granite pegmatites |
Geological Setting:
Alkali-rich pegmatites (Madagascar); gem gravels (Kashmir).
Type Occurrence of Hambergite
General Appearance of Type Material:
A single crystal 3.5x1.5 cm.
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, 332865.
Natural History Museum, Paris, France, 10734.
National Museum of Natural History, Washington, D.C., USA, 116994.
Natural History Museum, Paris, France, 10734.
National Museum of Natural History, Washington, D.C., USA, 116994.
Geological Setting of Type Material:
Syenite pegmatite.
Associated Minerals at Type Locality:
Reference:
BrÜgger, W.C. (1890) Die mineralien der syenitpegmatitgänge der sßdnorwegischen augit- und nephelinsyenite, 16. Hambergit. Zeitschrift fßr Kristallographie: 16: 65-67.
Other Language Names for Hambergite
German:Hambergit
Russian:ĐаПйоŃгиŃ
Simplified Chinese:祟éçł
Spanish:Hambergita
Traditional Chinese:祟éšçł
Common Associates
Associated Minerals Based on Photo Data:
48 photos of Hambergite associated with Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
36 photos of Hambergite associated with Quartz | SiO2 |
21 photos of Hambergite associated with Albite | Na(AlSi3O8) |
16 photos of Hambergite associated with Sphaerobertrandite | Be3(SiO4)(OH)2 |
12 photos of Hambergite associated with Cleavelandite | Na(AlSi3O8) |
9 photos of Hambergite associated with Lepidolite | |
8 photos of Hambergite associated with Analcime | Na(AlSi2O6) ¡ H2O |
7 photos of Hambergite associated with Aegirine | NaFe3+Si2O6 |
6 photos of Hambergite associated with Schorl | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
6 photos of Hambergite associated with Adularia | KAlSi3O8 |
Related Minerals - Strunz-mindat Grouping
6.AB. | Rhabdoborite-(Mo) | Mg12Mo6+1.33O6(BO3)6F2 |
6.AB. | Chubarovite | KZn2(BO3)Cl2 |
6.AB. | Savelievaite | Mg2Cr3+O2(BO3) |
6.AB.10 | Berborite | Be2(BO3)(OH,F) ¡ H2O |
6.AB.15 | Jeremejevite | Al6(BO3)5(F,OH)3 |
6.AB.20 | Warwickite | (Mg,Ti,Fe,Al)2O(BO3) |
6.AB.20 | Yuanfuliite | Mg(Fe3+,Al)O(BO3) |
6.AB.25 | Karlite | (Mg,Al)6.5(BO3)3(OH)4(âť,Cl)0.5 |
6.AB.30 | Azoproite | (Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2 |
6.AB.30 | Bonaccordite | Ni2Fe3+(BO3)O2 |
6.AB.30 | Fredrikssonite | Mg2(Mn3+,Fe3+)(BO3)O2 |
6.AB.30 | Ludwigite | Mg2Fe3+(BO3)O2 |
6.AB.30 | Vonsenite | Fe2+2Fe3+(BO3)O2 |
6.AB.30 | Marinaite | Cu2Fe3+O2(BO3) |
6.AB.35 | Pinakiolite | (Mg,Mn2+)2Mn3+(BO3)O2 |
6.AB.35 | Folvikite | Sb5+Mn3+(Mg,Mn2+)10O8(BO3)4 |
6.AB.40 | Blatterite | Sb5+3(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32 |
6.AB.40 | Chestermanite | Mg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2 |
6.AB.40 | Orthopinakiolite | (Mg,Mn2+)2Mn3+(BO3)O2 |
6.AB.40 | TakĂŠuchiite | (Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2 |
6.AB.45 | Hulsite | (Fe2+,Mg)2(Fe3+,Sn)(BO3)O2 |
6.AB.45 | Magnesiohulsite | (Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2 |
6.AB.45 | Aluminomagnesiohulsite | (Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2 |
6.AB.50 | Fluoborite | Mg3(BO3)(F,OH)3 |
6.AB.50 | Hydroxylborite | Mg3(BO3)(OH)3 |
6.AB.55 | Shabynite | Mg5(BO3)(OH)5(Cl,OH)2 ¡ 4H2O |
6.AB.55 | Wightmanite | Mg5(BO3)O(OH)5 ¡ 2H2O |
6.AB.60 | Gaudefroyite | Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3 |
6.AB.65 | Sakhaite | Ca48Mg16(BO3)32(CO3)16 ¡ 2(H2O,HCl) |
6.AB.70 | Harkerite | Ca48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16 ¡ 2(H2O,HCl) |
6.AB.75 | Pertsevite-(F) | Mg2(BO3)(F,OH) |
6.AB.75 | Pertsevite-(OH) | Mg2(BO3)(OH) |
6.AB.80 | Jacquesdietrichite | Cu2(H2BO3)(OH)3 |
6.AB.85 | Painite | CaZrAl9(BO3)O15 |
6.AB.85 | Rhabdoborite-(V) | Mg12(V5+,Mo6+,W6+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} (x < 1) |
6.AB.85 | Rhabdoborite-(W) | Mg12(W6+,V5+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} |
6.AB.90 | Mengxianminite | (Ca,Na)2Sn2(Mg,Fe)3Al8[(BO3)(BeO4)O6]2 |
Other Information
Notes:
Soluble in HF.
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 Hambergite
mindat.org URL:
https://www.mindat.org/min-1811.html
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References for Hambergite
Reference List:
Lacroix, Alfred (1909) Sur la hambergite de Madagascar. Bulletin de MinĂŠralogie, 32 (7) 320-324 doi:10.3406/bulmi.1909.3373
Lacroix, Alfred (1910) Nouvelles observations sur les minĂŠraux des pegmatites de Madagascar. Bulletin de MinĂŠralogie, 33 (1) 37-53 doi:10.3406/bulmi.1910.3399
Goldschmidt, V., MĂźller, Frdr. C. (1911) XXVIII. Hambergit aus Madagaskar. Zeitschrift fĂźr Kristallographie - Crystalline Materials, 48 (1-6) 475-485 doi:10.1524/zkri.1911.48.1.475
Drugman, J ., Goldechmidt, V. (1912) XL. Ein Hambergitzwilling von Madagascar. Zeitschrift fĂźr Kristallographie - Crystalline Materials, 50 (1) 596 doi:10.1524/zkri.1912.50.1.596
Zachariasen, W. H. (1931) The Crystalline Structure of Hambergite, Be2BO3(OH) Zeitschrift fĂźr Kristallographie - Crystalline Materials, 76 (1) 289-302 doi:10.1524/zkri.1931.76.1.289
Switzer, George, Clarke, Roy S., Sinkankas, John, Worthing, and Helen W. (1965) Fluorine in hambergite. American Mineralogist, 50 (1-2) 85-95
Shannon, Robert D., Shannon, Ruth C., Medenbach, Olaf, Fischer, Reinhard X. (2002) Refractive Index and Dispersion of Fluorides and Oxides. Journal of Physical and Chemical Reference Data, 31 (4) 931-970 doi:10.1063/1.1497384
Localities for Hambergite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
All localities listed without proper references should be considered as questionable.
Quick NavTopAbout HambergiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPronunciation Physical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Tamponilapa, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar