Pianlinite
A discredited species name
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Formula:
Al2Si2O6(OH)2
Lustre:
Vitreous
Hardness:
6 - 7
Crystal System:
Orthorhombic
Originally reported from Pianling, Xiuyan Co., Anshan Prefecture, Liaoning Province (Manchuria), China.
Unique Identifiers
Mindat ID:
7235
Long-form identifier:
mindat:1:1:7235:5
GUID
(UUID V4):
(UUID V4):
9f700249-8d97-453f-97fe-bdeb5e8a95e6
IMA Classification of Pianlinite
Discredited
Classification of Pianlinite
9.ED.30
9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Physical Properties of Pianlinite
Vitreous
Hardness:
6 - 7 on Mohs scale
Optical Data of Pianlinite
Type:
Biaxial (-)
RI values:
nα = 1.532 nβ = 1.539 nγ = 1.541
2V:
Calculated: 56°
Max Birefringence:
δ = 0.009
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:
weak
Chemistry of Pianlinite
Mindat Formula:
Al2Si2O6(OH)2
Elements listed:
Crystallography of Pianlinite
Crystal System:
Orthorhombic
Other Language Names for Pianlinite
German:Pianlinit
Spanish:Pianlinita
Related Minerals - Strunz-mindat Grouping
9.ED. | Clinochrysotile | |
9.ED.05 | Dickite | Al2(Si2O5)(OH)4 |
9.ED.05 | Kaolinite | Al2(Si2O5)(OH)4 |
9.ED.05 | Nacrite | Al2(Si2O5)(OH)4 |
9.ED.05 | Odinite | (Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4 |
9.ED.10 | Halloysite | Al2(Si2O5)(OH)4 |
9.ED.10 | Hisingerite | Fe3+2(Si2O5)(OH)4 · 2H2O |
9.ED.10 | Hydrohalloysite | Al2Si2O5(OH)4 · 2H2O |
9.ED.15 | Amesite | Mg2Al(AlSiO5)(OH)4 |
9.ED.15 | Antigorite | Mg3(Si2O5)(OH)4 |
9.ED.15 | Berthierine | (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 |
9.ED.15 | Brindleyite | (Ni,Al)3(Si,Al)2O5(OH)4 |
9.ED.15 | Caryopilite | Mn2+3Si2O5(OH)4 |
9.ED.15 | Cronstedtite | Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4 |
9.ED.15 | Fraipontite | (Zn,Al)3((Si,Al)2O5)(OH)4 |
9.ED.15 | Greenalite | (Fe2+,Fe3+)2-3Si2O5(OH)4 |
9.ED.15 | Kellyite | Mn2+2Al(AlSiO5)(OH)4 |
9.ED.15 | Lizardite | Mg3(Si2O5)(OH)4 |
9.ED.15 | Manandonite | Li2Al4(Si2AlB)O10(OH)8 |
9.ED.15 | Népouite | Ni3Si2O5(OH)4 |
9.ED.15 | Pecoraite | Ni3(Si2O5)(OH)4 |
9.ED.15 | Guidottiite | Mn2Fe3+(Fe3+SiO5)(OH)4 |
9.ED.15 va | Chromoamesite | Mg2(Al,Cr)(AlSiO5)(OH)4 |
9.ED.20 | Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
9.ED.20 | Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
9.ED.20 | Imogolite | Al2SiO3(OH)4 |
9.ED.20 | Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
9.ED.25 | Bismutoferrite | Fe3+2Bi(SiO4)2(OH) |
9.ED.25 | Chapmanite | Fe3+2Sb3+(Si2O5)O3(OH) |
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 Pianlinite
mindat.org URL:
https://www.mindat.org/min-7235.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Pianlinite
Reference List:
Localities for Pianlinite
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).
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.
China | |
| AM 65 (1980) |