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Silver tunnel, Van Silver Property (Van Silver Mine; Van Silver Claims), Brandywine Creek, Vancouver Mining Division, British Columbia, Canada

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Detailed Mineral List:
Ankerite
Habit: 4 mm rhombs single or stacked to cm in size
Colour: white to beige
Description: Manganese predominates over magnesium
Reference: [
Baryte
Habit: Tabular prisms
Colour: white, sometimes reddish from miargyrite inclusions
Description: Gangue mineral with carbonates
Reference: [
Boulangerite
Habit: Rings stacked in Tubes!!! more usually cm sized patches of wispey hairs, sometimes overgrown with freieslebenite.
Colour: Steel grey
Description: Tubes of Boulangerite to near mm in length
Reference: [
Photo: © Robert O. Meyer. Boulangerite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Bournonite
Habit: Tabular prisms and cogwheel twins to 3 mm
Colour: dull to lustrous steel grey
Description: Typical bournonite
Reference: [
Photo: © TB. Bournonite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Calcite
Habit: Flattened rhombs to 3 mm
Colour: white to yellowish
Description: Contains substantial Iron and Manganese
Reference: [
Photo: © Robert O Meyer. Calcite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Celestine
Description: Known as single specimen only. Pinkish cleavages tending to yellowish flattened rhombs, closely resembling calcite
Reference: [
Cerussite
Habit: acicular sub millimeter xls
Colour: white
Description: Weathering product on galena and bournonite
Reference: [
Diaphorite
Habit: Terminated prisms , ocassionally twinned to several mm
Colour: black, often with irridescent tarnish
Description: At least three terminal forms that distinguish it from freieslebenite
Reference: [
Photo: © TB. Diaphorite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Fizélyite
Habit: Terminated prisms! lathe like ropey intergrowths often showing curvature.
Colour: Black
Description: Fizelyite xls are now in two phases, each of which is suitable for structure determination!
Reference: Mineralogical Record 31, 223; Yang, H., Downs, R.T., Burt, J.B., Costin, G. (2009): Structure refinement of an untwinned single crystal of Ag-excess fizélyite, Ag5.94Pb13.74Sb20.84S48. The Canadian Mineralogist, 47, 1257-1264.
Photo: © Stephan Wolfsried. Fizélyite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Freibergite
Habit: Sharp modified tetrahedra
Colour: Black with internal red lights
Description: This "freibergite" has only 20% Ag by wt and is argentian tetrahedrite.
Reference: No reference listed
Freieslebenite
Habit: Flattened tabular wedges with only two terminal forms.
Colour: Black
Description: Generally smaller than diaphorite at Van Silver. Diaphorite has 3 or more terminal forms.
Reference: [
Photo: © TB. Freieslebenite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Galena
Habit: tiny octos, massive
Colour: grey
Reference: [
Geocronite
Habit: Spikey, feathery 60 degree twins (pseudo hexagonal plates & spikes)
Colour: black
Description: First of the sulfosalts to precipitate, contains more As (3%by wt) than any other sulfosalt
Reference: [
Photo: © Stephan Wolfsried. Geocronite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Gold
Gold var: Electrum
Habit: yellowish wires, un affected by nitric acid
Description: very rare
Reference: [MinRec 31:223]
Miargyrite
Habit: Blocky, complex and usually un orientable to 5 mm
Colour: Black with internal red lights
Description: like the rest, the best specimens found in galena veins
Reference: [
Photo: © DM. Miargyrite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Owyheeite
Habit: Stacked rings that look like tubes
Colour: grayish black
Description: These tubes (stacked rings) are rare and one was analysed with SEM by Don Howard as Boulangerite and published in the Min Rec article. Another set of stacked rings that were associated with Fizelyite were analysed (probed) by Yves Moelo as Owyheeite
Reference: Probe by Yves Moelo
Pyrargyrite
Habit: cubes, pyritohedra
Colour: yellow, tarnishing irridescent to limonitic.
Description: Gangue mineral
Reference: [
Photo: © 2003 R.O. Meyer. Pyrargyrite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Pyrite
Reference: [
Pyrostilpnite
Habit: prismatic, twinning to form sheaves
Colour: orange
Description: small xls up to .6 mm
Reference: [
Photo: © Robert O. Meyer. Pyrostilpnite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Quartz
Habit: dauphine twins
Description: gangue mineral
Reference: [
Rhodochrosite
Description: Known as single specimen. Pink cleavages tending to yellowish flattened rhombs, closely resembling calcite
Reference: [
Semseyite
Habit: Cockscomb sheaves that are characteristic
Colour: lead grey
Reference: [
Photo: © TB. Semseyite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Silver
Habit: wires rare
Description: probably post mining
Reference: [MinRec 31:223]
Sphalerite
Habit: tetrahedra
Colour: yellow brown, some colorless with black rind
Description: gangue mineral
Reference: [
Sulphur
Description: very rare. post mining sub mm blebs
Reference: [
Tetrahedrite
Habit: sharp tetrahedra, occasionally modified
Colour: black with internal red lights
Description: This tetrahedrite contains 20% Ag, 5% Zn,1% Fe, As<1% by wt.
Reference: [
Photo: © Robert O. Meyer. Tetrahedrite from Silver tunnel, Van Silver Property, Brandywine Creek, Vancouver Mining Division, British Columbia, Canada
Tetrahedrite var: Zincian Tetrahedrite
Reference: No reference listed


28 entries listed. 26 valid minerals.

References

- Woodside, R.W.M., Soregaroli, A.E., Ansell, H.G., Twaites, B.L., Balacko T.W. (2000): Rare sulfosalts from the Van Silver Mine, British Columbia. Mineralogical Record, 31(3), 219-229.

-Yang H, Downs R T, Burt J B, Costin G (2009) Structure refinement of an untwinned single crystal of Ag-excess fizélyite, Ag5.94Pb13.74Sb20.84S48, The Canadian Mineralogist, 47, 1257-1264

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