Manandonite (original) (raw)
A valid IMA mineral species - grandfathered
About ManandoniteHide
This section is currently hidden. Click the show button to view.
Formula:
Li2Al4(Si2AlB)O10(OH)8
Colour:
Crystals - white; globules - dull yellow
Specific Gravity:
2.76 - 2.89
Crystal System:
Orthorhombic
Name:
Named by A. Lacroix in 1912 for the Manandona River near the type locality Antandrokomby pegmatite, Madagascar.
An Al-, Li-, B-rich "analogue" of Amesite.
Unique IdentifiersHide
This section is currently hidden. Click the show button to view.
Long-form identifier:
mindat:1:1:2559:7
e0c9b934-bcb6-43e7-93b1-a4e8243aa25c
IMA Classification of ManandoniteHide
This section is currently hidden. Click the show button to view.
Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of ManandoniteHide
This section is currently hidden. Click the show button to view.
9.ED.15
9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
71.1.2c.6
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
17.5.1
17 : Silicates Containing other Anions
5 : Borosilicates
Mineral SymbolsHide
This section is currently hidden. Click the show button to view.
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.
| Symbol | Source | Reference |
|---|---|---|
| Mnd | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Mnd | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30 |
Physical Properties of ManandoniteHide
This section is currently hidden. Click the show button to view.
Transparency:
Transparent, Translucent
Comment:
Pearly on cleavages
Colour:
Crystals - white; globules - dull yellow
Density:
2.76 - 2.89 g/cm3 (Measured) 2.79 g/cm3 (Calculated)
Optical Data of ManandoniteHide
This section is currently hidden. Click the show button to view.
RI values:
_n_α = 1.604(5) _n_β = 1.604(5) _n_γ = 1.610
δ = 0.006
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
Pseudo-uniaxial.
Z perpendicular to {001}
Chemistry of ManandoniteHide
This section is currently hidden. Click the show button to view.
Mindat Formula:
Li2Al4(Si2AlB)O10(OH)8
Common Impurities:
Mn,Mg,Ca,Na,K,H20
Crystallography of ManandoniteHide
This section is currently hidden. Click the show button to view.
Crystal System:
Orthorhombic
Class (H-M):
222 - Disphenoidal
Cell Parameters:
a = 5.057(4) Å, b = 8.765(7) Å, c = 13.769(9) Å
Ratio:
a:b:c = 0.577 : 1 : 1.571
Unit Cell V:
610.31 ų (Calculated from Unit Cell)
Morphology:
Micaceous pseudohexagonal plates, fanlike lamellar aggregates, or as globules.
Twinning:
Commonly twinned around [001] prducing pseudohexagonal crystals.
Crystal StructureHide
This section is currently hidden. Click the show button to view.
Load
Unit Cell |Unit Cell Packed
2x2x2 |3x3x3 |4x4x4
Show
Big Balls |Small Balls |Just Balls |Spacefill
Polyhedra Off |Si Polyhedra |All Polyhedra
Remove metal-metal sticks
Display Options
Black Background |White Background
Perspective On |Perspective Off
2D |Stereo |Red-Blue |Red-Cyan
View
CIF File Best |x |y |z |a |b |c
Rotation
Stop |Start
Labels
Console Off |On |Grey |Yellow
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0001732 | Manandonite | Zheng H, Bailey S W (1995) The crystal structure of manandonite-2H2 American Mineralogist 80 387-393 |  |
1995 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
This section is currently hidden. Click the show button to view.
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.92 Å | (100) |
| 3.447 Å | (80) |
| 2.376 Å | (35) |
| 4.362 Å | (25) |
| 2.489 Å | (15) |
| 1.863 Å | (15) |
| 4.158 Å | (10) |
Geological EnvironmentHide
This section is currently hidden. Click the show button to view.
Type Occurrence of ManandoniteHide
This section is currently hidden. Click the show button to view.
Place of Conservation of Type Material:
Geological Setting of Type Material:
A complex type LCT pegmatite hosted in a metadolomite.
Associated Minerals at Type Locality:
Reference:
Lacroix, A. (1912) Sur une nouvelle espèce minérale (manandonite) des pegmatites de Madagascar. Bulletin de la Société Française de Minéralogie: 35: 223-226.
Other Language Names for ManandoniteHide
This section is currently hidden. Click the show button to view.
Relationship of Manandonite to other SpeciesHide
This section is currently hidden. Click the show button to view.
Other Members of this group:
Common AssociatesHide
This section is currently hidden. Click the show button to view.
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
This section is currently hidden. Click the show button to view.
| 9.ED. | Clinochrysotile | Mon. 2/m | |
|---|---|---|---|
| 9.ED.05 | Dickite | Al2(Si2O5)(OH)4 | Mon. m : B b |
| 9.ED.05 | Kaolinite | Al2(Si2O5)(OH)4 | Tric. 1 : _P_1 |
| 9.ED.05 | Nacrite | Al2(Si2O5)(OH)4 | Mon. m : B b |
| 9.ED.05 | Odinite | (Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4 | Mon. m : B m |
| 9.ED.10 | Halloysite | Al2(Si2O5)(OH)4 | Mon. m : B b |
| 9.ED.10 | Hisingerite | Fe3+2(Si2O5)(OH)4 · 2H2O | Mon. |
| 9.ED.10 | Hydrohalloysite | Al2Si2O5(OH)4 · 2H2O | Mon. m |
| 9.ED.15 | Amesite | Mg2Al(AlSiO5)(OH)4 | Tric. 1 : _P_1 |
| 9.ED.15 | Antigorite | Mg3(Si2O5)(OH)4 | Mon. m : B m |
| 9.ED.15 | Berthierine | (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 | Mon. m : B m |
| 9.ED.15 | Brindleyite | (Ni,Al)3(Si,Al)2O5(OH)4 | Mon. |
| 9.ED.15 | Caryopilite | Mn2+3Si2O5(OH)4 | Mon. |
| 9.ED.15 | Cronstedtite | Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4 | Trig. 3_m_ : P_31_m |
| 9.ED.15 | Fraipontite | (Zn,Al)3((Si,Al)2O5)(OH)4 | Mon. |
| 9.ED.15 | Greenalite | (Fe2+,Fe3+)2-3Si2O5(OH)4 | Mon. |
| 9.ED.15 | Kellyite | Mn2+2Al(AlSiO5)(OH)4 | Hex. 6 : _P_63 |
| 9.ED.15 | Lizardite | Mg3(Si2O5)(OH)4 | Trig. 3_m_ : P_31_m |
| 9.ED.15 | Népouite | Ni3Si2O5(OH)4 | Orth. |
| 9.ED.15 | Pecoraite | Ni3(Si2O5)(OH)4 | Mon. |
| 9.ED.15 | Guidottiite | Mn2Fe3+(Fe3+SiO5)(OH)4 | Hex. 6 : _P_63 |
| 9.ED.15 va | Chromoamesite | Mg2(Al,Cr)(AlSiO5)(OH)4 | |
| 9.ED.20 | Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O | Amor. |
| 9.ED.20 | Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 | Orth. |
| 9.ED.20 | Imogolite | Al2SiO3(OH)4 | |
| 9.ED.20 | Neotocite | (Mn,Fe,Mg)SiO3 · H2O | Amor. |
| 9.ED.25 | Bismutoferrite | Fe3+2Bi(SiO4)2(OH) | Mon. m : B m |
| 9.ED.25 | Chapmanite | Fe3+2Sb3+(Si2O5)O3(OH) | Mon. m : B m |
| 9.ED.30 | Pianlinite | Al2Si2O6(OH)2 | Orth. |
Other InformationHide
This section is currently hidden. Click the show button to view.
Notes:
The thermal behavior and infrared spectrum can be used to differentiate manandonite from cookeite.
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 ManandoniteHide
This section is currently hidden. Click the show button to view.
References for ManandoniteHide
This section is currently hidden. Click the show button to view.
Localities for ManandoniteHide
This section is currently hidden. Click the show button to view.
This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
This section is currently hidden. Click the show button to view.
- 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). 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.
| Madagascar (TL) | |
|---|---|
| Amoron'i Mania Ambositra Sahatsiho Ambohimanjaka Manandona Valley ⓘ Antandrokomby pegmatite (TL) | Lacroix (1912) +1 other reference |
| Vakinankaratra Antsirabe II District Ibity Sahatany Valley ⓘ Manjaka | Ranorosoa (1986) |
| Marirana ⓘ Marirana Pegmatites (Andasy) | Ranorosoa (1986) |
| USA | |
| Arizona La Paz County Quartzsite ⓘ |
Bideaux et al. (1960) +1 other reference |