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|System:||Monoclinic||Hardness:||4 - 4½|
|Name:||Named in 1890 by Axel Hamberg from the Greek γανωμα for "brilliance or luster" and φύλλον for "leaf," in allusion to the high luster on platy cleavage surfaces.|
Classification of Ganophyllite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||8/H.17-60|
|Nickel-Strunz 10th (pending) edition ID:||9.EG.30|
9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
|Dana 8th edition ID:||220.127.116.11|
74 : PHYLLOSILICATES Modulated Layers
1 : Modulated Layers with joined islands
|Hey's CIM Ref.:||16.16.9|
16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn
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Type Occurrence of Ganophyllite
|Type Locality:||Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden|
|Year of Discovery:||1890|
Physical Properties of Ganophyllite
|Hardness (Mohs):||4 - 4½|
Crystallography of Ganophyllite
|Cell Parameters:||a = 16.6Å, b = 27.13Å, c = 50.18Å|
β = 93.96°
|Ratio:||a:b:c = 0.612 : 1 : 1.85|
|Unit Cell Volume:||V 22,545.01 Å³ (Calculated from Unit Cell)|
Optical Data of Ganophyllite
|RI values:||nα = 1.537 nβ = 1.611 nγ = 1.613|
|Maximum Birefringence:||δ = 0.076|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Ganophyllite
|Essential elements:||H, K, Mn, O, Si|
|All elements listed in formula:||Al, Ca, H, K, Mn, Na, O, Si|
Relationship of Ganophyllite to other Species
|Member of:||Ganophyllite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Ganophyllite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Ganophyllite
Smith, M.L. and Frondel, C. (1968) The related layered minerals ganophyllite, bannisterite and stilpnomelane. Mineralogical Magazine: 36: 893-913.
Mineralogical Magazine: 50: 307-315.
Internet Links for Ganophyllite
|Specimens:||The following Ganophyllite specimens are currently listed for sale on minfind.com.|
Localities for Ganophyllite
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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New Locality Added: Uitkomst Mine, Pretoria, Gauteng Province, South AfricaFrom Debbie Woolf, 7th Dec 2013 01:09:18