Aquacreptite (of Shepard)
A material that is NOT an approved mineral species
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About Aquacreptite (of Shepard)
Formula:
Mg4Fe2Si6O19 · 8H2O with some Al2O3, or near
Colour:
Yellowish brown
Lustre:
Dull
Hardness:
2½
Specific Gravity:
2.08
A non-approved, questionable mineral.
Originally reported from West Chester, Westtown Township, Chester Co., Pennsylvania, USA.
Originally reported from West Chester, Westtown Township, Chester Co., Pennsylvania, USA.
Unique Identifiers
Mindat ID:
287
Long-form identifier:
mindat:1:1:287:3
GUID
(UUID V4):
(UUID V4):
58695b56-aa0b-4024-96e2-900d83b75e9c
IMA Classification of Aquacreptite (of Shepard)
'Grandfathered' (first described prior to 1959), Questionable
Classification of Aquacreptite (of Shepard)
9.HC.25
9 : SILICATES (Germanates)
H : Unclassified silicates
C : With Mn, Fe
9 : SILICATES (Germanates)
H : Unclassified silicates
C : With Mn, Fe
Physical Properties of Aquacreptite (of Shepard)
Dull
Colour:
Yellowish brown
Comment:
Orange yellow
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
2.08 g/cm3 (Measured)
Chemistry of Aquacreptite (of Shepard)
Mindat Formula:
Mg4Fe2Si6O19 · 8H2O with some Al2O3, or near
Synonyms of Aquacreptite (of Shepard)
Aquacreptite (in part)
Related Minerals - Strunz-mindat Grouping
9.HC.05 | Erlianite | (Fe,Mg)4(Fe,V)2Si6O15(OH,O)8 |
9.HC.10 | Bostwickite | CaMn3+6Si3O16 · 7H2O |
9.HC.15 | Allophite | Mg8Al4Si5O24 · H2O |
9.HC.20 | Almbosite | Fe2+5Fe3+4V6+4Si3O27 |
9.HC.30 | Farallonite | 2MgO · W2O5 · SiO2 · nH2O? |
9.HC.35 | Hokoite | Mn2+Mn3+2SiO6 · H2O |
9.HC.40 | Polyhydrite |
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 Aquacreptite (of Shepard)
mindat.org URL:
https://www.mindat.org/min-287.html
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Please feel free to link to this page.
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References for Aquacreptite (of Shepard)
Localities for Aquacreptite (of Shepard)
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.
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Strode's Mill, East Bradford Township, Chester County, Pennsylvania, USA