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Opal from
Mt. Ramazzo Mine, Borzoli, Genoa, Genoa, Liguria, Italy


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Mt. Ramazzo Mine, Borzoli, Genoa, Genoa, Liguria, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:157699
Long-form Identifier:1:3:157699:3
GUID (UUID V4):bd046f47-73cc-4fc5-b06e-d1ffdada9346
Nearest other occurrences of Opal
3.2km (2.0 miles) Varenna Valley, Genoa, Genoa, Liguria, Italy
9.1km (5.6 miles) I Piani, Masone, Genoa, Liguria, Italy
23.8km (14.8 miles) Rio Pian del Foco, Olbicella, Molare, Alessandria Province, Piedmont, Italy
24.6km (15.3 miles) Veirera, Sassello, Savona Province, Liguria, Italy
48.0km (29.8 miles) Pizzocorno, Ponte Nizza, Pavia Province, Lombardy, Italy
48.4km (30.1 miles) Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
49.5km (30.8 miles) Molinello Mine, Ne, Genoa, Liguria, Italy
49.8km (31.0 miles) Nascio, Ne, Genoa, Liguria, Italy
51.1km (31.7 miles) Cassagna Mine, Ne, Genoa, Liguria, Italy
75.4km (46.9 miles) Monte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy
References
Reference Search (possible matching items)
Catalog/List
SILICATE) black masses i n Actinolite. (Bastnas Mine, Riddarhyttan,Sweden) lx1 £ 1 . 1 0 218ALMANDINE...020ANCYL1TE (Ce) colourless micro crystals on 5mm matrix. (Mt Yukspor Rola Peninsula Russia) £3.50 018ANDALUSITE...025AHRERITE-RUTNAHORITE rich fawn massive.(Sjogruvan Mine, Grythyttan Sweden).Looks rarer but i s only a dolomite...masses i n matrix .(An alteration o f Brucite) (Mt Ramazzo Genova I t a l y ) lx1 £3.50 078 BYTOWNITE palegreen...masses on pure greenish Scorodite. (Gold H i l l Mine. Toole County Utah) 8nsl 50p 1 . 5 c m £1.20 081
Catalog/List
black masses i n green A c t i n o l i t e (Bastnas Mine, Riddarhyttan Sweden) lx1 £1.10 010ALMANDINE F...Muscovite red micaeous masses on matrix (Praborna Mine,St Marcel, Val d ' Aosta I t a l y ) lx1 70p 1 x...i c h fawn massive. Xrayed material. (Sjogruvan Mine, Grythyttan , Sweden) lx1 £1.50 1 x 2 £3 2 x 2 £6...masses on Hidalgoite rich matrix. (Gold H i l l Mine,Tooele County, Utah, USA) lx1 £2.50 1 x 2 £5 223ARSENIC...223ARSENIC NATIVE A s Rich black mass with Stibnite (Kusa Mine, Bau, Sarawak, Borneo) lx1 £2.50 1 x 2 £5 2 x 2
Book (volume)
quantities, at numerous localities in France, Spain, Italy, and England. Found in large amounts at many places...Silver City district, Owyhee County, Idaho, Poorman mine, where masses weighing many pounds were especially...probably also occurs in that state in the Hechman mine, near Globe, Gila County. Many other occurrences...with atacamite in limestone at the San Augustin mine, Huantajaya, near Iquique, Chile, as an alteration... Sierra County, New Mexico, At the Commonwealth mine, associated with vanadates and calcite. deposits
Book (volume)
analysis of periclase from Monte Somma, Vesuvius, Italy (Damour, 1849), gave: MgO FeO 93-86 5-97 Anal:...silioified rock associated with Pb-Zn deposit, Nanai mine, Izuhara town, Nagasaki Prefecture, Japan (Minato...0-220 0-108. 1 Perovskite St Ambrogio, Piedmont, Italy (Boeris, 1900). 2 Cerian perovskite, Afrikanda station...Kaisertulil, Germany (Hauser, 1908) 6 Loparite malignite' Mt. Vavnbed, Lovozero, Kola Peninsula (Bykova, 1941)...(perovskite-spinel-magnetite) from the PraskovieEugenievsky mine in the Shishim Mts., south Urals. Doklady Acad.
 
Mineral and/or Locality  
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