Sonolite (original) (raw)

A valid IMA mineral species

About SonoliteHide

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Formula:

Mn2+9(SiO4)4(OH)2

OH may be replaced by minor F.

Colour:

Red-orange, pinkish brown to dark brown

Crystal System:

Monoclinic

Name:

Named in 1963 by Mayumi Yoshinaga after its discovery locality, the Sono mine, Sohraku-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan.

Isostructural with:

Alleghanyite, Chegemite, Chondrodite, Edgrewite, Hydroxylchondrodite, Hydroxylclinohumite, Jerrygibbsite, Kumtyubeite, Leucophoenicite, Manganhumite, Norbergite, Reinhardbraunsite, Ribbeite

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3711:8

c7daf48f-4921-4b1b-86c1-8bc856eb00a5

IMA Classification of SonoliteHide

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Type description reference:

Classification of SonoliteHide

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9.AF.55

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination

52.3.2d.3

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
3 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only

17.1.30

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Pronunciation of SonoliteHide

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Pronunciation:

Physical Properties of SonoliteHide

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Colour:

Red-orange, pinkish brown to dark brown

Density:

3.82 g/cm3 (Measured) 3.97 g/cm3 (Calculated)

Optical Data of SonoliteHide

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RI values:

_n_α = 1.765 _n_β = 1.778 _n_γ = 1.787

2V:

Measured: 75° to 82°, Calculated: 78°

δ = 0.022

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

X ∧ {001} = 9-10°

Chemistry of SonoliteHide

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Mindat Formula:

Mn2+9(SiO4)4(OH)2

OH may be replaced by minor F.

Common Impurities:

Ti,Al,Fe,Mg,Ca,H2O,C

Chemical AnalysisHide

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Crystallography of SonoliteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 4.872(5) Å, b = 10.669(12) Å, c = 14.287(7) Å
β = 100.3(1)°

Ratio:

a:b:c = 0.457 : 1 : 1.339

Unit Cell V:

730.66 ų (Calculated from Unit Cell)

Morphology:

Prismatic to anhedral crystals, up to 2.5 cm; granular.

Twinning:

Singular or lamellar on {101}, common.

Comment:

Non-standard space-group setting P21/b.

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of SonoliteHide

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General Appearance of Type Material:

Fine-grained, prismatic to anhedral crystals.

Associated Minerals at Type Locality:

Reference:

Yoshinaga, M. (1963) Sonolite, a new manganese silicate mineral. Memoirs of the Faculty of Science, Kyushu Imperial University, Series D: 14: 1-21.

Other Language Names for SonoliteHide

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Relationship of Sonolite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

Decomposed by HCl, leaving gelatinous silica

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Sonolite in petrologyHide

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Internet Links for SonoliteHide

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References for SonoliteHide

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Reference List:

Francis, C.A., Postl, W., Tropper, P., Bernhard, F., Walter, F., Ettinger K. (2004) Über Sonolith und Tephroit von den Veitscher Manganerzvorkommen, Steiermark, Österreich. Joannea Mineralogie: 2: 85-100. [cell volume increases with Mn content]

Localities for SonoliteHide

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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

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- 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.