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While externally similar shapes, these two minerals are very different inside.
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Brucite from
Crestùn asbestos mine (Crestùn asbestos quarries; Ciappanico asbestos mine), Ciappanico, Torre di Santa Maria, Sondrio Province, Lombardy, Italy


Locality type:Mine
Classification
Species:Brucite
Formula:Mg(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brucite data
Locality Data:Click here to view Crestùn asbestos mine (Crestùn asbestos quarries; Ciappanico asbestos mine), Ciappanico, Torre di Santa Maria, Sondrio Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:1490232
Long-form Identifier:1:3:1490232:5
GUID (UUID V4):0
References
Artini, E. (1909) Brugnatellite: nuova specie minerale trovata in Val Malenco. Rivista di Mineralogia e Cristallografia Italiana, 37, 37-123
 
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