Kalkowskite
A material that is NOT an approved mineral species
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Colour:
Light to dark brown
Lustre:
Waxy, Sub-Metallic
Hardness:
3½
Specific Gravity:
3.98 - 4.04
Name:
After Professor E.L. Kalkowsky (1851-1938), University of Dresden, Germany.
A Mixture Of:
Found in a fine-grained schistose muscovite layer in quartzite in the Serro do Itacolumy, Minas Gerais, Brazil.
Unique Identifiers
Mindat ID:
30164
Long-form identifier:
mindat:1:1:30164:0
GUID
(UUID V4):
(UUID V4):
a92d8ef0-84a2-441e-9ce4-130f1ca6e07b
Physical Properties of Kalkowskite
Waxy, Sub-Metallic
Colour:
Light to dark brown
Streak:
Reddish brown
Hardness:
3½ on Mohs scale
Fracture:
Conchoidal
Density:
3.98 - 4.04 g/cm3 (Measured)
Crystallography of Kalkowskite
Morphology:
As thin, irregularly bounded plates exhibiting a fibrous structure in transmitted light.
Synonyms of Kalkowskite
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 Kalkowskite
mindat.org URL:
https://www.mindat.org/min-30164.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Kalkowskite
Reference List:
Localities for Kalkowskite
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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