Brianyoungite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Brianyoungite
Brian Young
Formula:
Zn3(CO3,SO4)(OH)4
Ratio CO3:SO4 ~ 3:1.
Colour:
White, colourless
Lustre:
Vitreous
Hardness:
2 - 2½
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.
Unique Identifiers
Mindat ID:
772
Long-form identifier:
mindat:1:1:772:6
GUID
(UUID V4):
(UUID V4):
39e67195-f826-48a2-8bd8-796136231895
IMA Classification of Brianyoungite
Approved
IMA Formula:
Zn3(CO3)(OH)4
Approval year:
1991
First published:
1993
Classification of Brianyoungite
5.BF.30
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
Mineral Symbols
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 Brianyoungite
Vitreous
Transparency:
Translucent
Colour:
White, colourless
Streak:
White
Hardness:
2 - 2½ on Mohs scale
Density:
3.93 - 4.09 g/cm3 (Measured) 4.11 g/cm3 (Calculated)
Optical Data of Brianyoungite
Type:
Biaxial
RI values:
nα = 1.635 nβ = 1.650
Max Birefringence:
δ = 1.635
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v
Optical Extinction:
Parallel
Comments:
gamma and 2V not determined.
Chemistry of Brianyoungite
Mindat Formula:
Zn3(CO3,SO4)(OH)4
Ratio CO3:SO4 ~ 3:1.
Ratio CO3:SO4 ~ 3:1.
Crystallography of Brianyoungite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 15.724 Å, b = 6.256 Å, c = 5.427 Å
β = 90°
β = 90°
Ratio:
a:b:c = 2.513 : 1 : 0.867
Unit Cell V:
533.85 ų (Calculated from Unit Cell)
Z:
4
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 Diffraction
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 Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] | |
| 47c : [Carbonates, phosphates, borates, nitrates] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals | |
| 56 : Slag and smelter minerals (see also #51 and #55) |
Type Occurrence of Brianyoungite
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 Brianyoungite
Other Language Names for Brianyoungite
Common Associates
Associated Minerals Based on Photo Data:
| 11 photos of Brianyoungite associated with Sphalerite | ZnS |
| 7 photos of Brianyoungite associated with Gypsum | CaSO4 · 2H2O |
| 4 photos of Brianyoungite associated with Serpierite | Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O |
| 3 photos of Brianyoungite associated with Pyrite | FeS2 |
| 3 photos of Brianyoungite associated with Anglesite | PbSO4 |
| 3 photos of Brianyoungite associated with Sulphur | S8 |
| 2 photos of Brianyoungite associated with Susannite | Pb4(CO3)2(SO4)(OH)2 |
| 2 photos of Brianyoungite associated with Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| 2 photos of Brianyoungite associated with Schulenbergite | (Cu,Zn)7(SO4)2(OH)10 · 3H2O |
| 1 photo of Brianyoungite associated with Cerussite | PbCO3 |
Related Minerals - Strunz-mindat Grouping
| 5.BF.05 | Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) |
| 5.BF.05 | Manganotychite | Na6Mn2(CO3)4(SO4) |
| 5.BF.05 | Northupite | Na3Mg(CO3)2Cl |
| 5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) |
| 5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) |
| 5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) |
| 5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) |
| 5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) |
| 5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x |
| 5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl |
| 5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl |
| 5.BF.35 | Philolithite | Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4 |
| 5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.45 | Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 |
| 5.BF.50 | Ramikite-(Y) | Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4 |
Fluorescence of Brianyoungite
Not fluorescent.
Other Information
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 Brianyoungite
mindat.org URL:
https://www.mindat.org/min-772.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Brianyoungite
Localities for Brianyoungite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| |
| |
Austria | |
| |
| |
| |
| |
| |
| |
Belgium | |
| |
| |
Czech Republic | |
| |
| |
| |
| |
France | |
| |
| |
| |
| |
| |
| |
| |
| |
| |
Germany | |
| |
| |
| |
| |
| Luetcke, Rolf (n.d.) Personal communication.Identification: Dealer/Collection Label |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
Greece | |
| |
| |
| |
Italy | |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
Japan | |
| |
| |
Namibia | |
| |
Norway | |
| |
| |
| |
| |
Portugal | |
| |
Romania | |
| |
Slovakia | |
| |
| |
| |
Slovenia | |
| |
South Africa | |
| |
Spain | |
| |
| |
| |
UK | |
| |
| |
| |
| |
| |
USA | |
| |
| |
|
Quick NavTopAbout BrianyoungiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Esperanza Mine, Kaminiza mines, Km 3, Lavrion Mining District, Lavreotiki, East Attica, Attica, Greece