Brianyoungite (original) (raw)
A valid IMA mineral species
About BrianyoungiteHide
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Formula:
Zn3(CO3,SO4)(OH)4
Specific Gravity:
3.93 - 4.09
Crystal System:
Monoclinic
Name:
Named in honor of Brian Young (b. 1947, Sunderland, England, UK), a field geologist and mineralogist with the British Geological Survey. He is an expert on the minerals of northern England, and collected the first specimens for study.
A secondary zinc carbonate-sulphate visually similar to hydrozincite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:772:6
39e67195-f826-48a2-8bd8-796136231895
IMA Classification of BrianyoungiteHide
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IMA Formula:
Zn3(CO3)(OH)4
Type description reference:
Classification of BrianyoungiteHide
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5.BF.30
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Byo | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of BrianyoungiteHide
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Density:
3.93 - 4.09 g/cm3 (Measured) 4.11 g/cm3 (Calculated)
Optical Data of BrianyoungiteHide
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RI values:
_n_α = 1.635 _n_β = 1.650
δ = 1.635
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Optical Extinction:
Parallel
Comments:
gamma and 2V not determined.
Chemistry of BrianyoungiteHide
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Mindat Formula:
Zn3(CO3,SO4)(OH)4
Ratio CO3:SO4 ~ 3:1.
Crystallography of BrianyoungiteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 15.724 Å, b = 6.256 Å, c = 5.427 Å
β = 90°
Ratio:
a:b:c = 2.513 : 1 : 0.867
Unit Cell V:
533.85 ų (Calculated from Unit Cell)
Morphology:
Thin tapering blades elongated along [001]; crystals intergrown to form rosettes.
Comment:
Crystal structure unknown; monoclinic or orthorhombic - space group assumed to be either P21/m, P21 or P2221.
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 15.44 Å | (100) |
| 7.88 Å | (100) |
| 5.25 Å | (20) |
| 2.714 Å | (40) |
| 2.577 Å | (20) |
| 2.397 Å | (20) |
| 1.565 Å | (30b) |
Geological EnvironmentHide
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Type Occurrence of BrianyoungiteHide
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General Appearance of Type Material:
White rosettes, <100 µm, consisting of very thin (~1-2 µm) blades that taper to a sharp point.
Place of Conservation of Type Material:
Royal Museum of Scotland Department of Geology, General Mineral Collection, 1992.17.1 and 1992.17.2-8.
Geological Setting of Type Material:
On limestone. A secondary mineral found in an adit, formed by waters passing through the mineralized rocks above.
Associated Minerals at Type Locality:
Reference:
Livingstone, A. and Champness, P. E. (1993) Brianyoungite, a new mineral related to hydrozincite, from the north of England orefield. Mineralogical Magazine: 57: 665-670.
Synonyms of BrianyoungiteHide
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Other Language Names for BrianyoungiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 5.BF.05 | Northupite | Na3Mg(CO3)2Cl | Iso. m_3(2/m_3) : F _d_3 |
|---|---|---|---|
| 5.BF.05 | Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.05 | Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) | Mon. |
| 5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) | Mon. 2 : _P_21 |
| 5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) | Mon. 2/m : _P_21/m |
| 5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) | Mon. 2/m : _P_21/m |
| 5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x | Trig. |
| 5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl | Hex. 6 : _P_6 |
| 5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl | Hex. 6/m : _P_63/m |
| 5.BF.35 | Philolithite | Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) |
| 5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 | Mon. 2/m : _P_21/b |
| 5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 | Trig. 3 : _P_3 |
| 5.BF.45 | Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 | Orth. 222 : _P_222 |
| 5.BF.50 | Ramikite-(Y) | Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4 | Tric. 1 : _P_1 |
Fluorescence of BrianyoungiteHide
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Other InformationHide
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Notes:
Rapid dissolution with effervescence in dilute acids.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for BrianyoungiteHide
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References for BrianyoungiteHide
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Reference List:
Localities for BrianyoungiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.