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Andradite from
Sferlùn asbestos mine, Vallone del Cengiaccio (Cengiaccio; Cengiàsc; Cengiasco), Lanzada, Sondrio Province, Lombardy, Italy


04107750017271922525488.jpg
Demantoid, etc.

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
00636160017272037529288.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
05756350017271922584923.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
03546640017272057749578.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
04107750017271922525488.jpg
Demantoid, etc.

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
07243820017368055212355.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
05756350017271922584923.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
01582790017368055223014.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
04107750017271922525488.jpg
Demantoid, etc.

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
00636160017272037529288.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
05756350017271922584923.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
03546640017272057749578.jpg
Demantoid

Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy
Locality type:Mine
Classification
Species:Andradite
Formula:Ca3Fe23+(SiO4)3
Chemical Analyses:
Oxide wt%:
1
SiO235.51 %
TiO20.04 %
Cr2O31.10 %
Al2O30.11 %
Fe2O330.19 %
MgO0.26 %
MnO0.02 %
CaO33.04 %
Total:100.27 %
Sample references:
1 -
Bedogné, F.; Sciesa, E.; Vignola, P. (1999) Il “demantoide” della Val Malenco. Rivista Mineralogica Italiana, 23 (4). p.207-217.
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Andradite data
Locality Data:Click here to view Sferlùn asbestos mine, Vallone del Cengiaccio (Cengiaccio; Cengiàsc; Cengiasco), Lanzada, Sondrio Province, Lombardy, Italy
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:739366
Long-form Identifier:1:3:739366:2
GUID (UUID V4):0
Nearest other occurrences of Andradite
0.5km (0.3 miles) ⓘAcquanegra asbestos mines (Costòn d’Acquanegra; Acquanera asbestos mines), Lanzada, Sondrio Province, Lombardy, Italy
0.9km (0.6 miles) ⓘValbrutta (Val Brutta), Lanzada, Sondrio Province, Lombardy, Italy
1.0km (0.6 miles) ⓘDossi di Franscia, Franscia, Lanzada, Sondrio Province, Lombardy, Italy
1.3km (0.8 miles) ⓘBagnada-Ponticelli Mine (ex-Bolognini Mine; ex-Unitalc Mine), Lanzada, Sondrio Province, Lombardy, Italy
1.4km (0.9 miles) ⓘAl Ross Mines, Lanzada, Sondrio Province, Lombardy, Italy
2.7km (1.7 miles) ⓘCampo Moro, Campo Moro Valley, Lanzada, Sondrio Province, Lombardy, Italy
4.6km (2.9 miles) ⓘScerscen Valley asbestos mine, Scerscen Valley, Lanzada, Sondrio Province, Lombardy, Italy
4.9km (3.1 miles) ⓘCastellaccio Quarry, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
5.0km (3.1 miles) ⓘForcella di Fellaria, Scerscen Valley, Lanzada, Sondrio Province, Lombardy, Italy
6.4km (4.0 miles) ⓘScerscen Valley, Lanzada, Sondrio Province, Lombardy, Italy
References
King, Van (n.d.) Personal communcation.
Giovanni Scapin specimen
Bedognè, F., Montrasio, A., and Sciesa, E. (1993) I Minerali Della Provincia Di Sondrio: Valmalenco. Bettini, Sondrio, Italia, 275 pp.
 
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