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Molybdenite from
Aivola (Predazzo prospect), Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy


Locality type:Prospect
Classification
Species:Molybdenite
Formula:MoS2
Formation:Primary
Age information
Maximum recorded age:237,3 ± 1 Ma
Minimum recorded age:237,3 ± 1 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1237,3 ± 1 MaMiddle Triassic - Formed during the final stages of crystallization of the host granite, than contemporary age.
Sample references:
1 -
Frizzo, P., Peruzzo, L., Dellantonio, E. (2010): The copper-wolfram deposit of Bedovina (Trento, Italy). Geo.Alp, 7, 55-70. [http://www2.uibk.ac.at/downloads/c715/geoalp_7_10/04frizzo_et_al_sml.pdf]p.66 - Contemporary to Predazzo granite.
Comments:Molybdenite fills a dense network of irregular fissures and veins of a highly weathered, reddish, microgranular granite with black or dark brown patches, embedded in the pegmatite. The close connection with the pegmatite is often evident even at the specimen scale.

Individual laminae can reach 3–4 cm in length, are very thin (0.1–1 mm), and lack crystallographic boundaries. The mineral often partially or completely replaces large augite and biotite crystals. Molybdenite has a high Re content (70 ppm) and does not contain W.
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Aivola (Predazzo prospect), Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
Data Identifiers
Mindat Occurrence Record ID:1781002
Long-form Identifier:1:3:1781002:5
GUID (UUID V4):0
Nearest other occurrences of Molybdenite
0.9km (0.6 miles) ⓘMonte Mulàt (Monte Mulazzo; Monte Mulatto), Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
1.1km (0.7 miles) ⓘAl Fol quarry (Sacac quarry), Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
1.2km (0.8 miles) ⓘClocia quarries (Km 39.300 SS48), Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
1.7km (1.0 miles) ⓘBedovina mine, Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
32.5km (20.2 miles) ⓘPamera (Pammera), Roncegno Terme, Trento Province, Trentino-Alto Adige/Südtirol, Italy
35.6km (22.1 miles) ⓘCinquevalli Mine, Roncegno Terme, Trento Province, Trentino-Alto Adige/Südtirol, Italy
37.8km (23.5 miles) ⓘMontefondoli (Pfunderer Berg), Klausen (Chiusa), Eisacktal (Valle Isarco), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
56.2km (34.9 miles) ⓘLe Cave (Grasstein), Franzensfeste (Fortezza), Wipptal (Alta Vall'Isarco), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
70.6km (43.9 miles) ⓘFossa di Trues, Kematen (Caminata), Pfitsch (Val di Vizze), Wipptal (Alta Vall'Isarco), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
75.0km (46.6 miles) ⓘRinnerlahner, Vizze Pass (Pfitsch Pass; Pfitscher Joch), Sankt Jakob (San Giacomo), Pfitsch (Val di Vizze), Wipptal (Alta Vall'Isarco), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
References
Frizzo, P., Peruzzo, L., Dellantonio, E. (2010): The copper-wolfram deposit of Bedovina (Trento, Italy). Geo.Alp, 7, 55-70. [http://www2.uibk.ac.at/downloads/c715/geoalp_7_10/04frizzo_et_al_sml.pdf]
Dellantonio, Elio (2013) La molibdenite del Monte Mulàt e i minerali della "Ricerca mineraria Predazzo" (Val di Fiemme, Trentino-Alto Adige) in Aggiornamento di Mineralogia Trentina [The molybdenite of Monte Mulàt and the minerals of the "Mining Research Predazzo" (Fiemme Valley, Trentino-Alto Adige) in Trentino Mineralogy Update]. Studi Trentini di Scienze Naturali, 93. 193-203
(2025) Minerali e rocce del Monte Mulat [Minerals and rocks of Mount Mulat], Museo delle Scienze di Trento (MUSE) - Museo Geologico delle Dolomiti in Predazzo.Molybdenite specimen: hexagonal shaped plate (2 cm diameter) in granite [Campione di molibdenite: lamina a contorno esagonale (diametro 2 cm) nel granito]
 
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