Penrhyn Slate Quarry, Llandygai, Gwynedd, Wales, UKi
| Regional Level Types | |
|---|---|
| Penrhyn Slate Quarry | Quarry (Active) |
| Llandygai | Community |
| Gwynedd | County |
| Wales | Country |
| UK | Country |
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Latitude & Longitude (WGS84):
53° 9' 43'' North , 4° 3' 51'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SH620648
Type:
Quarry (Active) - last checked 2020
Köppen climate type:
Other/historical names associated with this locality:
Caernarvonshire
First developed in 1770 by Richard Pennant, who became the first Baron Penrhyn, Penrhyn Quarry, a huge pit a mile long and 1200 ft deep is reputedly the world's largest slate quarry.
Profits from the quarry financed the construction of Penrhyn Castle at nearby Bangor. A feature of the castle is the great four-poster bed of Penrhyn slate, which weighs four tons.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
9 valid minerals.
Detailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Chalcocite Formula: Cu2S References: |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 References: |
| ⓘ Clinochlore Formula: Mg5Al(AlSi3O10)(OH)8 References: |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 References: |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Tangeite ? Formula: CaCu(VO4)(OH) Description: Green et al. (2008): "The only additional report of tangeite is at Penrhyn Quarry near Bethesda in Wales, where 'calciovolborthite' was claimed on the basis of a single specimen in the private collection of a Danish mineralogist (Bevins, 1994). This record is unconfirmed." References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Tangeite ? | 8.BH.35 | CaCu(VO4)(OH) |
| Group 9 - Silicates | |||
| ⓘ | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Tangeite | CaCu(VO4)(OH) |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Tangeite | CaCu(VO4)(OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcocite | Cu2S |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Tangeite | CaCu(VO4)(OH) |
| V | Vanadium | |
| V | ⓘ Tangeite | CaCu(VO4)(OH) |
| Fe | Iron | |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | ⓘ Tangeite | CaCu(VO4)(OH) |
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
- AvaloniaVolcanic Arc
EuropeContinent
UK
- Wales
- Cambrian MountainsMountain Range
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Penrhyn Slate Quarry, Llandygai, Gwynedd, Wales, UK