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Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UKi
| Regional Level Types | |
|---|---|
| Milltown Quarry | Quarry |
| Milltown | Village |
| Ashover | Civil Parish |
| North East Derbyshire District | District |
| Derbyshire | County |
| England | Constituent Country |
| UK | Country |
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Latitude & Longitude (WGS84):
53° 9' 18'' North , 1° 28' 23'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SK352622
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ashover | 659 (2018) | 1.2km |
| Tansley | 1,197 (2018) | 4.0km |
| Matlock | 14,956 (2017) | 5.8km |
| Wingerworth | 6,430 (2018) | 5.8km |
| Shirland | 3,447 (2018) | 5.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Peak Lapidary and Mineral Society | Bakewell, Derbyshire | 15km |
| The Russell Society | Knighton | 35km |
Milltown quarry is a small disused quarry, which was open for limestone extraction. In the 1990s the old quarry was used as a settlement pound for fluorspar slurry. It is crossed by a number of mineralised veins (or rakes), mostly fluorite/calcite. Some have in the past been worked for galena, and fluorite. The name does not appear on OS maps until 1900, before this date it is just noted as old quarry (1880).
The mineralisation is thought to be related to Mississippi-Valley-type.
All of the unusual minerals were collected from a small area in the floor of the major Blackwells vein for a length of 1 m (which is now under 2 m of fluorspar slurry).
Located 1 km SE of Ashover.
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
25 valid minerals. 2 (TL) - type locality of valid minerals.
Paragenesis
Detailed Mineral List:
| ⓘ Anglesite Formula: PbSO4 Habit: Thick bladed, Prismatic Colour: Colourless Description: Lines small cavitys in galena/fluorite veinstuff
sometimes with cerussite, and later hydrocerussite References: |
| ✪ Ashoverite (TL) Formula: Zn(OH)2 Type Locality: Habit: Tetragonal thin tabular-platy Colour: Colourless to white, creamy Description: Thin platy Square-like crystals to 1mm, associated with all other zinc hydroxides References: |
| ⓘ Baryte Formula: BaSO4 Habit: Platy to thin bladed, cockscombe Colour: Creamy Description: Platy divergent crystal groups to 4mm, and as thin bladed elongated crystals. Rarely tinted yellow by greenockite |
| ⓘ Calcite Formula: CaCO3 Habit: Scalenohedron, and micro rombic crystals, stalactites Colour: Colourless, white, pale brown, pale pink Description: Common as a massive vein filling to 2mts, rare cavitys display crystals to 2.5cms, some with micro pyrite inclusions. With in the zinc oxide area calcite forms crystalline 'stallactites', very rare pinkish acute rhombs, and pseudoctahedral crystals. |
| ⓘ Cerussite Formula: PbCO3 Habit: Various Colour: Colourless, grey, creamy Fluorescence: pale yellow Description: Crystals to 4mm References: |
| ⓘ Ettringite Formula: Ca6Al2(SO4)3(OH)12 · 26H2O Habit: Radial hexagonal,acicular. Colour: Colourless to white, and creamy Description: Very rare as groups of hemispherical and prismatic crystals to 2mm. On fluorite, associated with weddellite. Rarely found on corroded cerussite, with litarge. References: |
| ⓘ Fluorite Formula: CaF2 Habit: Cubes Colour: Colourless, white, yellow, purple Fluorescence: non Description: Colourless crystals to 10cm have been found, but most are micro <2cm. Crystals useually have included pyrite micro crystals. |
| ⓘ Galena Formula: PbS Habit: Cuboctahedral Colour: lead grey Description: Occasionally found as crystals to 2cm included in calcite,and fluorite, rare as free grown crystals.
|
| ⓘ Greenockite Formula: CdS Habit: Very thin crusts Colour: Yellow Description: Thin smears and powders on or near partly corroded sphalerite. |
| ⓘ Gypsum Formula: CaSO4 · 2H2O Habit: Fibrous-acicular Colour: White Description: Forms a fibrous white filling to small cavitys. and as fibrous pseudomorphs after rhombic calcite crystals. Associated with hydrocerussite, and rarely weddellite. |
| ⓘ Hemimorphite Formula: Zn4Si2O7(OH)2 · H2O Habit: Radial compact crystal groups. Colour: Colourless to white Description: Crystal groups to 2mm, and as very thin crusts. |
| ⓘ Hydrocerussite Formula: Pb3(CO3)2(OH)2 Habit: Hexagonal micro crystals, and flacky masses. Colour: Colouless to tinted brown, and creamy to reddish. Description: Forms in two habits. The first as minute platy hexagonal crystals. The second as unusual masses to 1.5cms of cellular flacky masses associated with litharge. References: |
| ⓘ Hydrozincite Formula: Zn5(CO3)2(OH)6 Habit: Micro-radial acicular crystals Colour: White, creamy References: |
| ⓘ Litharge Formula: PbO Habit: Tetragonal pseudomorphs possibly after the Unnamed (Tetragonal Pb Oxide Hydrate) Colour: Shades of red Description: Forms tetragonal pseudomorphs to 2mm after the unnamed (tetragonal Pb oxide hydrate). Grown on corroded cerussite with supergene calcite References: |
| ⓘ Massicot Formula: PbO Habit: Tetragonal pseudomorphs Colour: Yellow-creamy |
| ⓘ Native Sulphur Formula: S8 Habit: Rounded crystals Colour: Pale yellow green References: |
| ⓘ Palygorskite Formula: ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O Habit: Botryoidal Colour: Creamy References: |
| ⓘ Pyrite Formula: FeS2 Habit: Flatend cubes Description: Pyrite forms common inclusions in fluorite |
| ⓘ Quartz Formula: SiO2 Habit: Pyramiddle crystals with some prisum development Colour: Colourless |
| ⓘ Sidpietersite Formula: Pb2+4(S2O3)O2(OH)2 References: |
| ⓘ Smithsonite Formula: ZnCO3 Habit: Botryoidal, rice grain like crystals Colour: Colourless to brown, to pale yellow |
| ⓘ Sphalerite Formula: ZnS Colour: Translucent brown |
| ✪ Sweetite (TL) Formula: Zn(OH)2 Type Locality: Habit: Tetragonal bipyramids Colour: Colourless-white, creamy References: |
| ✪ 'Unnamed (gamma-Zn(OH)2)' Formula: γ-Zn(OH)2 Habit: Radial lath-like Colour: White Description: Radial hemispherical masses to 1mm, associated with ashoverite, sweetite, and hemimorphite. |
| ✪ 'Unnamed (Tetragonal Pb Oxide Hydrate)' Formula: Pb3O2(OH)2 Habit: Tetragonal Colour: Grey white to creamy Fluorescence: non Description: 0.7mm tetragonal bipyramids References: |
| ✪ Weddellite Formula: Ca(C2O4) · (2.5-x)H2O Habit: Prismatic, bipyramiddle Colour: Colourless- pale broen References: |
| ✪ Wülfingite Formula: Zn(OH)2 Habit: Bladed radial star-like Colour: Colourless References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Sulphur | 1.CC.05 | S8 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Greenockite | 2.CB.45 | CdS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Litharge | 4.AC.20 | PbO |
| ⓘ | Massicot | 4.AC.25 | PbO |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Ashoverite (TL) | 4.FA.10 | Zn(OH)2 |
| ⓘ | Sweetite (TL) | 4.FA.10 | Zn(OH)2 |
| ⓘ | Wülfingite | 4.FA.10 | Zn(OH)2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Smithsonite | 5.AB.05 | ZnCO3 |
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| ⓘ | Hydrozincite | 5.BA.15 | Zn5(CO3)2(OH)6 |
| ⓘ | Hydrocerussite | 5.BE.10 | Pb3(CO3)2(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anglesite | 7.AD.35 | PbSO4 |
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| ⓘ | Ettringite | 7.DG.15 | Ca6Al2(SO4)3(OH)12 · 26H2O |
| ⓘ | Sidpietersite | 7.JA.05 | Pb2+4(S2O3)O2(OH)2 |
| Group 9 - Silicates | |||
| ⓘ | Hemimorphite | 9.BD.10 | Zn4Si2O7(OH)2 · H2O |
| ⓘ | Palygorskite | 9.EE.20 | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| Group 10 - Organic Compounds | |||
| ⓘ | Weddellite | 10.AB.40 | Ca(C2O4) · (2.5-x)H2O |
| Unclassified | |||
| ⓘ | 'Unnamed (Tetragonal Pb Oxide Hydrate)' | - | Pb3O2(OH)2 |
| ⓘ | 'Unnamed (gamma-Zn(OH)2)' | - | γ-Zn(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Ashoverite | Zn(OH)2 |
| H | ⓘ Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| H | ⓘ Hydrocerussite | Pb3(CO3)2(OH)2 |
| H | ⓘ Hydrozincite | Zn5(CO3)2(OH)6 |
| H | ⓘ Palygorskite | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| H | ⓘ Sweetite | Zn(OH)2 |
| H | ⓘ Weddellite | Ca(C2O4) · (2.5-x)H2O |
| H | ⓘ Wülfingite | Zn(OH)2 |
| H | ⓘ Sidpietersite | Pb42+(S2O3)O2(OH)2 |
| H | ⓘ Unnamed (Tetragonal Pb Oxide Hydrate) | Pb3O2(OH)2 |
| H | ⓘ Unnamed (gamma-Zn(OH)2) | γ-Zn(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Cerussite | PbCO3 |
| C | ⓘ Hydrocerussite | Pb3(CO3)2(OH)2 |
| C | ⓘ Hydrozincite | Zn5(CO3)2(OH)6 |
| C | ⓘ Smithsonite | ZnCO3 |
| C | ⓘ Weddellite | Ca(C2O4) · (2.5-x)H2O |
| O | Oxygen | |
| O | ⓘ Anglesite | PbSO4 |
| O | ⓘ Ashoverite | Zn(OH)2 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Cerussite | PbCO3 |
| O | ⓘ Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| O | ⓘ Hydrocerussite | Pb3(CO3)2(OH)2 |
| O | ⓘ Hydrozincite | Zn5(CO3)2(OH)6 |
| O | ⓘ Litharge | PbO |
| O | ⓘ Massicot | PbO |
| O | ⓘ Palygorskite | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Smithsonite | ZnCO3 |
| O | ⓘ Sweetite | Zn(OH)2 |
| O | ⓘ Weddellite | Ca(C2O4) · (2.5-x)H2O |
| O | ⓘ Wülfingite | Zn(OH)2 |
| O | ⓘ Sidpietersite | Pb42+(S2O3)O2(OH)2 |
| O | ⓘ Unnamed (Tetragonal Pb Oxide Hydrate) | Pb3O2(OH)2 |
| O | ⓘ Unnamed (gamma-Zn(OH)2) | γ-Zn(OH)2 |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Mg | Magnesium | |
| Mg | ⓘ Palygorskite | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| Al | Aluminium | |
| Al | ⓘ Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O |
| Al | ⓘ Palygorskite | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| Si | Silicon | |
| Si | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| Si | ⓘ Palygorskite | ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Anglesite | PbSO4 |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O |
| S | ⓘ Galena | PbS |
| S | ⓘ Greenockite | CdS |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Native Sulphur | S8 |
| S | ⓘ Sidpietersite | Pb42+(S2O3)O2(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Weddellite | Ca(C2O4) · (2.5-x)H2O |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Zn | Zinc | |
| Zn | ⓘ Ashoverite | Zn(OH)2 |
| Zn | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| Zn | ⓘ Hydrozincite | Zn5(CO3)2(OH)6 |
| Zn | ⓘ Smithsonite | ZnCO3 |
| Zn | ⓘ Sphalerite | ZnS |
| Zn | ⓘ Sweetite | Zn(OH)2 |
| Zn | ⓘ Wülfingite | Zn(OH)2 |
| Zn | ⓘ Unnamed (gamma-Zn(OH)2) | γ-Zn(OH)2 |
| Cd | Cadmium | |
| Cd | ⓘ Greenockite | CdS |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Pb | Lead | |
| Pb | ⓘ Anglesite | PbSO4 |
| Pb | ⓘ Cerussite | PbCO3 |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Hydrocerussite | Pb3(CO3)2(OH)2 |
| Pb | ⓘ Litharge | PbO |
| Pb | ⓘ Massicot | PbO |
| Pb | ⓘ Sidpietersite | Pb42+(S2O3)O2(OH)2 |
| Pb | ⓘ Unnamed (Tetragonal Pb Oxide Hydrate) | Pb3O2(OH)2 |
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
- AvaloniaVolcanic Arc
EuropeContinent
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Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK