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Shosanbetsuite

A valid IMA mineral species
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01811180017271953551661.jpg
Shosanbetsu River and village, Japan
Formula:
Ag3Sn
Colour:
Silver white
Lustre:
Metallic
Hardness:
2½
Specific Gravity:
11.1 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after the Shosanbetsu River, Japan, the type locality.
Known synthetic analogue.


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Unique IdentifiersHide

Mindat ID:
53565
Long-form identifier:
mindat:1:1:53565:4

IMA Classification of ShosanbetsuiteHide

Classification of ShosanbetsuiteHide

Strunz-mindat (2026):
1.AD.35

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
SsbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ShosanbetsuiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Silver white
Streak:
Gray
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Density:
11.1 g/cm3 (Calculated)

Optical Data of ShosanbetsuiteHide

Anisotropism:
Weak to very weak
Reflectivity:
WavelengthR1 (%)
400nm40.1%
420nm43.1%
440nm46.4%
460nm49.2%
470nm50.3%
480nm51.4%
500nm53.3%
520nm55.1%
540nm56.6%
546nm57.2%
560nm58.0%
580nm59.3%
589nm59.8%
600nm60.5%
620nm61.5%
640nm62.5%
650nm63.0%
660nm63.6%
680nm64.6%
700nm65.8%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 65.8%.
Colour in reflected light:
White
Pleochroism:
Weak
Comments:
White to slightly bluish white

Chemistry of ShosanbetsuiteHide

Mindat Formula:
Ag3Sn
Element Weights:
Element% weight
Ag73.162 %
Sn26.838 %

Calculated from ideal end-member formula.
Elements listed:
Ag, Sn - search for minerals with similar chemistry

Crystallography of ShosanbetsuiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pmmn
Setting:
Pmmn
Cell Parameters:
a = 5.986(8) Å, b = 4.779(3) Å, c = 5.156(6) Å
Ratio:
a:b:c = 1.253 : 1 : 1.079
Unit Cell V:
147.50 ų (Calculated from Unit Cell)
Z:
2

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of ShosanbetsuiteHide

Type Locality:
ⓘ Minamichiyoda, Shosanbetsu, Tomamae District, Rumoi Subprefecture, Hokkaidō Prefecture, Japan
General Appearance of Type Material:
Forming a network around grains of yuanjiangite. The thickness is ~4 μm maximum.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the National Museum of Nature and Science, Tsukuba, Japan, specimen number NSM-M46178 (holotype) and M46179 (cotype).
Geological Setting of Type Material:
Placer gold and platinum–group minerals.
Associated Minerals at Type Locality:
Native GoldNative LeadRumoiiteYuanjiangite
Reference:
NISHIO–HAMANE, Daisuke, SAITO, Katsuyuki (2021) Au(Ag)–Sn–Sb–Pb minerals in association with placer gold from Rumoi province of Hokkaido, Japan: a description of two new minerals (rumoiite and shosanbetsuite). Journal of Mineralogical and Petrological Sciences, 116 (5). 263-271 doi:10.2465/jmps.210829

Synonyms of ShosanbetsuiteHide

Other Language Names for ShosanbetsuiteHide

Related Minerals - Strunz-mindat GroupingHide

1.AD.AurihydrargyrumiteAu6Hg5Hex. 6/mmm(6/m2/m2/m) : P63/mcm
1.AD.05Native MercuryHgAmor.
1.AD.10BelendorffiteCu7Hg6Trig. 3m : R3m
1.AD.10KolymiteCu7Hg6Iso.
1.AD.15aParaschachneriteAg3Hg2Orth.
1.AD.15cEugeniteAg11Hg2Iso. 43m : I43m
1.AD.15bLuanheiteAg3HgHex.
1.AD.15aSchachneriteAg1.1Hg0.9Hex. 6/mmm(6/m2/m2/m) : P63/mmc
1.AD.15dMoschellandsbergiteAg2Hg3Iso. m3m(4/m32/m)
1.AD.20b'Goldamalgam (of Chen et al.)'(Au,Ag)HgIso. m3m(4/m32/m) : Im3m
1.AD.20aWeishanite(Au,Ag,Hg)Hex. 6/mmm(6/m2/m2/m) : P63/mmc
1.AD.20c'Yiyangite'Au3HgHex.
1.AD.25PotaritePdHgTet. 4/mmm(4/m2/m2/m) : P4/mmm
1.AD.30LeadamalgamPb0.7Hg0.3Tet. 4/mmm(4/m2/m2/m) : I4/mmm
1.AD.40'Unnamed (Au-Hg Amalgam)'Au2HgHex. 6/mmm(6/m2/m2/m) : P63/mcm

Other InformationHide

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 ShosanbetsuiteHide

References for ShosanbetsuiteHide

Localities for ShosanbetsuiteHide

Showing 1 localities.

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.
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Locality ListHide

- 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.
Japan (TL)
 
  • Hokkaidō Prefecture
    • Rumoi Subprefecture
      • Tomamae District
        • Shosanbetsu
Miyawaki et al. (2019) +1 other reference
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