Mangano-actinolite
A named amphibole that is NOT (yet) an approved mineral species
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Formula:
◻Ca2(Mn,Mg,Fe)5(Si8O22)(OH)2
Member of:
First Recorded Locality:
This page provides mineralogical data about Mangano-actinolite.
Unique Identifiers
Mindat ID:
43388
Long-form identifier:
mindat:1:1:43388:8
IMA Classification of Mangano-actinolite
IMA status notes:
Named Amphibole
First published:
1989
Chemistry of Mangano-actinolite
Mindat Formula:
◻Ca2(Mn,Mg,Fe)5(Si8O22)(OH)2
Element Weights:
Chemical Analysis
Oxide wt%:
| 1 | |
|---|---|
| SiO2 | 52.59 % |
| Al2O3 | 0.09 % |
| Fe2O3* | 0.22 % |
| FeO* | 5.96 % |
| MnO | 20.11 % |
| MgO | 8.12 % |
| CaO | 10.92 % |
| Na2O | 0.06 % |
| K2O | 0.05 % |
| F | 0.30 % |
| H2O* | 1.83 % |
| -O=(F+Cl) | -0.13 % |
| Total: | 100.12 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 1 | ((K0.01◻0.99)(Ca1.78Mn2+0.21Na0.02)(Mn2+2.38Mg1.84Fe2+0.76Fe3+0.02)[Si7.98Al0.02O22]([OH]1.86F0.14) |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Gåsborn, Filipstad, Värmland County, Sweden | The original published oxide data from Damman (1989) have been re-normalized to (Si+Al)=8; the oxide values presented here are based on the re-normalization; *Fe measured as Fe2+, with Fe3+ and Fe2O3 derived by charge balance; OH and H2O calculated by stoichiometry. |
First Recorded Occurrence of Mangano-actinolite
Relationship of Mangano-actinolite to other Species
Member of:
Other Members of Actinolite Root Name Group:
| Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 | Mon. 2/m : B2/m |
| Ferro-actinolite | ◻Ca2Fe2+5(Si8O22)(OH)2 | Mon. 2/m : B2/m |
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 Mangano-actinolite
mindat.org URL:
https://www.mindat.org/min-43388.html
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References for Mangano-actinolite
Localities for Mangano-actinolite
Showing 1 localities.
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.
Sweden (FRL) | |
| Damman (1989) |
