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Ornavasso pegmatite, Ornavasso, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italyi
Regional Level Types
Ornavasso pegmatitePegmatite
Ornavasso- not defined -
Ossola ValleyValley
Verbano-Cusio-Ossola ProvinceProvince
PiedmontRegion
ItalyCountry

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Key
Latitude & Longitude (WGS84):
45° 57' 59'' North , 8° 24' 30'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Ornavasso3,056 (2014)0.6km
Candoglia210 (2016)1.6km
Albo I229 (2014)1.8km
Gabbio257 (2014)3.0km
Mergozzo1,511 (2014)3.6km
Name(s) in local language(s):
Pegmatite di Ornavasso, Ornavasso, Val d'Ossola, Provincia del Verbano-Cusio-Ossola, Piemonte, Italia


Pegmatite dyke at Punt Sass near Ornavasso village.

It can be reached following the road which leads to Madonna del Boden sanctuary. A few meters after the village of Ornavasso, before the bridge on Riale San Carlo, leave the car and reach the near aluminium factory. Then, walk for 10 minutes along a witer pipeline in direction of the acqueduct construction, where the pegmatite dyke (in the past exploited for feldspar) is located and also dispersed pegmatite blocks can be found in the surrounding area.

One of the characteristic of this pegmatite, which may account for its partly peculiar mineralogy, is to be in contact with a marble layer. Furthermore, rutile is rich in niobium and monazite-(Ce) shows a dark green colour.


Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
The Alps, EuropeMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Beryl
Formula: Be3Al2(Si6O18)
Reference: V. Mattioli (1978) - Pegmatite di Ornavasso - Rivista mineralogica Italiana, Milano, vol. 9, fasc. 1, pag. 44
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Natale G. (1979): Ancora sulla pegmatite di Ornavasso. Riv. Mineral. Ital., 1, serie 2, 3, 85.
Carpholite
Formula: Mn2+Al2(Si2O6)(OH)4
Description: The carpholite from Ornavasso is a Mn-bearing variety of dumortierite.
Reference: Mattioli, V. (1987): Minerali ossolani, 10 anni dopo: errata corrige e novità. Rivista Mineralogica Italiana, 4/1987, 195-200
Chrysoberyl
Formula: BeAl2O4
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work. ; Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: V. Mattioli (1978) - Pegmatite di Ornavasso - Rivista mineralogica Italiana, Milano, vol. 9, fasc. 1, pag. 44
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Reference: Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
'Feldspar Group'
Reference: Mattioli V. (1978): Pegmatite di Ornavasso. Riv. Mineral. Ital., 9, 2, 44.
Hübnerite
Formula: MnWO4
Habit: lamellar xls
Colour: black
Description: xls to several cm.
Reference: Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
Monazite-(Ce)
Formula: Ce(PO4)
Reference: Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.; Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Natale G. (1979): Ancora sulla pegmatite di Ornavasso. Riv. Mineral. Ital., 1, serie 2, 3, 85.
Pyrite
Formula: FeS2
Reference: Natale G. (1979): Ancora sulla pegmatite di Ornavasso. Riv. Mineral. Ital., 1, serie 2, 3, 85.
Rutile
Formula: TiO2
Reference: V. Mattioli (1978) - Pegmatite di Ornavasso - Rivista mineralogica Italiana, Milano, vol. 9, fasc. 1, pag. 44; Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Mattioli V. (1978): Pegmatite di Ornavasso. Riv. Mineral. Ital., 9, 2, 44; Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
Vivianite
Formula: Fe2+3(PO4)2 · 8H2O
Reference: Natale G. (1985): Vivianite nella pegmatite di Ornavasso. Riv. Mineral. Ital., 8 (serie 2), (2), 80.
Zircon
Formula: Zr(SiO4)
Reference: Paolo Giovanni Biffi collection; Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Chrysoberyl4.BA.05BeAl2O4
Hübnerite4.DB.30MnWO4
Rutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Vivianite8.CE.40Fe2+3(PO4)2 · 8H2O
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Carpholite ?9.DB.05Mn2+Al2(Si2O6)(OH)4
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chrysoberyl7.2.9.1BeAl2O4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Vivianite40.3.6.1Fe2+3(PO4)2 · 8H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Hübnerite48.1.1.1MnWO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Carpholite ?65.1.5.1Mn2+Al2(Si2O6)(OH)4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H VivianiteFe32+(PO4)2 · 8H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H CarpholiteMn2+Al2(Si2O6)(OH)4
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be ChrysoberylBeAl2O4
BBoron
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
OOxygen
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O RutileTiO2
O BerylBe3Al2(Si6O18)
O ChrysoberylBeAl2O4
O HübneriteMnWO4
O Monazite-(Ce)Ce(PO4)
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O ZirconZr(SiO4)
O VivianiteFe32+(PO4)2 · 8H2O
O SpessartineMn32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O CarpholiteMn2+Al2(Si2O6)(OH)4
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al BerylBe3Al2(Si6O18)
Al ChrysoberylBeAl2O4
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al SpessartineMn32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al CarpholiteMn2+Al2(Si2O6)(OH)4
SiSilicon
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si BerylBe3Al2(Si6O18)
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si ZirconZr(SiO4)
Si SpessartineMn32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si CarpholiteMn2+Al2(Si2O6)(OH)4
PPhosphorus
P Monazite-(Ce)Ce(PO4)
P VivianiteFe32+(PO4)2 · 8H2O
SSulfur
S PyriteFeS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
TiTitanium
Ti RutileTiO2
MnManganese
Mn HübneriteMnWO4
Mn SpessartineMn32+Al2(SiO4)3
Mn CarpholiteMn2+Al2(Si2O6)(OH)4
FeIron
Fe VivianiteFe32+(PO4)2 · 8H2O
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe PyriteFeS2
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Monazite-(Ce)Ce(PO4)
WTungsten
W HübneriteMnWO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Mattioli V. (1978): Pegmatite di Ornavasso. Riv. Mineral. Ital., 2 [9], 2, 44.
- Buzio A. (1978): Crisoberillo di Ornavasso. Riv. Mineral. Ital., 2 [9], 4, 110.
- Mattioli V. (1979): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.
- Natale G. (1979): Ancora sulla pegmatite di Ornavasso. Riv. Mineral. Ital., 3 [1, serie 2], 3, 85.
- Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
- Natale G. (1985): Vivianite nella pegmatite di Ornavasso. Riv. Mineral. Ital., 9, 2 (2/1985), 80.
- Mattioli V. (1987): Minerali ossolani, 10 anni dopo: errata corrige e novità. Riv. Mineral. Ital., 11, 4 (4/1987), 195-200.
- Orlandi P., Campostrini I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Riv. Mineral. Ital., 29, 3 (3/2005), 184-191.
- Piccoli G.C., Maletto G., Bosio P., Lombardo B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.


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