Haradaite
A valid IMA mineral species
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About Haradaite
Zyunpei Harada
Formula:
SrVSi2O7
Colour:
Bright grass green
Lustre:
Vitreous
Hardness:
4½
Specific Gravity:
3.80
Crystal System:
Orthorhombic
Name:
Named by Jun Ito in 1965 (a full description and approval came several years later) after Zyunpei Harada (5 October 1898, Yokohama, Japan - 27 April 1992, Kawasaki, Japan), Professor at Hokkaido University, Sapporo, Japan who contributed eminently to the studies on minerals in Japan.
Unique Identifiers
Mindat ID:
1817
Long-form identifier:
mindat:1:1:1817:9
GUID
(UUID V4):
(UUID V4):
bae45367-94e1-4e23-95cb-8c4e3829fb64
IMA Classification of Haradaite
Approved
IMA Formula:
SrV4+Si2O7
First published:
1974
Classification of Haradaite
9.DH.15
9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
65.3.1.1
65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
3 : Single-Width Unbranched Chains, W=1 with chains P=4
65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
3 : Single-Width Unbranched Chains, W=1 with chains P=4
14.14.4
14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi
14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi
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 |
|---|---|---|
| Hra | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Haradaite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Haradaite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Bright grass green
Streak:
Very pale green
Hardness:
4½ on Mohs scale
Comment:
on {010}
Cleavage:
Perfect
perfect on {010}
distinct {100} and {001}
perfect on {010}
distinct {100} and {001}
Density:
3.80 g/cm3 (Measured) 3.83 g/cm3 (Calculated)
Optical Data of Haradaite
Type:
Biaxial (-)
RI values:
nα = 1.713(5) nβ = 1.721(2) nγ = 1.734(5)
2V:
Measured: 90° , Calculated: 78°
Max Birefringence:
δ = 0.021
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
Dispersion:
weak
Pleochroism:
Strong
Comments:
a=X= colourless to very pale green, b=Y= colourless to light yellowish green, and c=Z= bluish green.
Chemistry of Haradaite
Mindat Formula:
SrVSi2O7
Elements listed:
Common Impurities:
Ti,Al,Fe,Mn,Cu,Pb,Ca,Ba,Na,K
Crystallography of Haradaite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 7.001 Å, b = 14.64 Å, c = 5.312 Å
Ratio:
a:b:c = 0.478 : 1 : 0.363
Unit Cell V:
544.45 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space Group: Amam
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Big Balls | Small Balls | Just Balls | Spacefill
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Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
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View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
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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) |
|---|---|---|---|---|---|---|---|
| 0014413 | Haradaite | Takeuchi Y, Joswig W (1967) The structure of haradaite and a note on the Si-O bond lengths in silicates Mineralogical Journal 5 98-123 | 1967 | Nodatamagawa manganese mine, Iwate, Japan | 0 | 293 | |
| 0014874 | Haradaite | Basso R, Lucchetti G, Palenzona A, Zefiro L (1995) Haradaite from the Gambatesa mine, eastern Liguria, Italy Neues Jahrbuch fur Mineralogie, Monatshefte 1995 281-288 | 1995 | Gambatesa mine, eastern Liguria, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.20 Å | (100) |
| 2.88 Å | (90) |
| 3.65 Å | (40) |
| 2.65 Å | (40) |
| 2.12 Å | (40) |
| 2.04 Å | (35) |
| 7.30 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Haradaite
General Appearance of Type Material:
Small tablets to 5 mm.
Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan, M15111.
Geological Setting of Type Material:
Veinlets cutting the massive metamorphosed manganese ores and wallrocks.
Associated Minerals at Type Locality:
Reference:
Watanabe, T., Kato, A., Ito, J., Yoshimora, T., Momoi, H., Fukuda, K. (1974) Haradaite, Sr2V2(O2)(Si4O12), a new mineral from the Noda Tamagawa mine, Iwate Prefecture, and the Yamato mine, Kagoshima Prefecture, Japan. 9th General Meeting of the International Mineralogical Association, Berlin Germany: 9: 97-97.
Synonyms of Haradaite
Other Language Names for Haradaite
Relationship of Haradaite to other Species
Structurally related to group(s):
| Haradaite Group | MVSi2O7 |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 9.DH. | Gageite-2M | (Mn,Mg,Zn)42Si16O54(OH)40 |
| 9.DH. | Bavsiite | Ba2V2O2[Si4O12] |
| 9.DH. | Devilliersite | Ca4Ca2Fe3+10O4[(Fe3+10Si2)O36] |
| 9.DH. | Yuzuxiangite | Sr3Fe3+(Si2O6)2(OH) · 3H2O |
| 9.DH. | Louisfuchsite | Ca2(Mg4Ti2)(Al4Si2)O20 |
| 9.DH.05 | Leucophanite | NaCaBeSi2O6F |
| 9.DH.10 | Ohmilite | Sr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2O |
| 9.DH.15 | Suzukiite | BaVSi2O7 |
| 9.DH.20 | Batisite | BaNaNaTi2(Si4O12)O2 |
| 9.DH.20 | Shcherbakovite | (K,Ba)KNa(Ti,Nb)2(Si4O12)O2 |
| 9.DH.20 | Noonkanbahite | BaKNaTi2(Si4O12)O2 |
| 9.DH.25 | Taikanite | Sr3BaMn2+2(Si4O12)O2 |
| 9.DH.30 | Krauskopfite | BaSi2O5 · 3H2O |
| 9.DH.35 | Balangeroite | (Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40 |
| 9.DH.35 | Gageite | Mn21(Si4O12)2O3(OH)20 |
| 9.DH.40 | Aenigmatite | Na4[Fe2+10Ti2]O4[Si12O36] |
| 9.DH.40 | Dorrite | Ca4(Mg3Fe3+9)O4(Si3Al8Fe3+O36) |
| 9.DH.40 | Høgtuvaite | Ca4[Fe2+6Fe3+6]O4[Si8Be2Al2O36] |
| 9.DH.40 | Krinovite | Na2Mg4Cr3+2(Si6O18)O2 |
| 9.DH.40 | Makarochkinite | (Ca,Na)4[Fe2+8Fe3+2Ti2]O4[Si8Be2Al2O36] |
| 9.DH.40 | Rhönite | Ca4[Mg8Fe3+2Ti2]O4[Si6Al6O36] |
| 9.DH.40 | Serendibite | Ca4[Mg6Al6]O4[Si6B3Al3O36] |
| 9.DH.40 | Welshite | Ca4Mg9Sb3O4[Si6Be3AlFe2O36] |
| 9.DH.40 | Wilkinsonite | Na2Fe2+4Fe3+2(Si6O18)O2 |
| 9.DH.40 | Leucorhönite | Ca2(Mg,Fe3+,Al)6(Si,Al)6O20 |
| 9.DH.40 | Kuratite | Ca2(Fe2+5Ti)O2[Si4Al2O18] |
| 9.DH.40 | Khesinite | Ca4(Mg3Fe3+9)O4(Fe3+9Si3)O36 |
| 9.DH.40 | UM1991-29-SiO:FeMgNa | Na4(Mg5Fe3+7)O4[Si9Fe3+3O36] |
| 9.DH.45 | Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] |
| 9.DH.50 | Khmaralite | (Mg,Al,Fe)16[(Al,Si,Be)12O36]O4 |
| 9.DH.55 | Surinamite | (Mg,Fe)3Al4BeSi3O16 |
| 9.DH.55 | UM1988-26-SiO:AlMg | Mg4Al2O[Si3Al2O15] |
| 9.DH.60 | Deerite | (Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5 |
| 9.DH.65 | Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
| 9.DH.65 | Taneyamalite | (Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44 |
| 9.DH.70 | Johninnesite | Na2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2 |
| 9.DH.75 | Agrellite | NaCa2Si4O10F |
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 Haradaite
mindat.org URL:
https://www.mindat.org/min-1817.html
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References for Haradaite
Localities for Haradaite
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 | |
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Japan | |
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Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy