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Rock Candy Mine, Grand Forks, Greenwood Mining Division, British Columbia, Canada

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Latitude & Longitude (WGS84): 49° 15' 37'' North , 118° 29' 16'' West
Latitude & Longitude (decimal): 49.26028,-118.48778
GeoHash:G#: c2g8pxxcf
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


Ref.:
- www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
- Nagel, J.(1981): The Rock Candy mine, British Columbia. Mineralogical Record 12, 99-102

- Rocks & Minerals: 62: 324-325 & 331.

A fluorspar-silica mine located on Kennedy Creek, approximately 27 km north of Grand Forks. Discovered in 1916 by two prospectors who mistook the green fluorite for copper mineralization. (Hard to believe that any prospector would mistake abundant green fluorite boulders for copper mineralization. An alternate discovery story is that a woman running horses in the valley mistook the fluorite for jade -BJ)

Owned initially by Consolidated Mining and Smelting Co. of Canada Ltd. Operated intermittently between 1918 and 1942, producing 56,000 tons of ore. Produced about 36,759,501 kg of fluorspar and 1,673,000 kg silica.

Controlled by Cominco until purchased by Bob Jackson, with assistance from the late Joe Nagel, of UBC, in 1986. Mineral rights are crown granted; Jackson runs a commercial specimen operation and fee dig.

The mine is noted for its green Fluorites that are a pleasant color if not very sharp or shiny and the tabular golden barites that it produced. (The dominant fluorite habit is octahedral, each octohedron being composed of oriented cube faces, particularly on the crystal edges. Botryoidal and cubic habits are usually purple. Good phantoms of green over purple, and clear over green are produced. Lately, lusterous, sharp green octahedrons, some on drusy quartz, have been collected. - BJ) It occasionally produces very fine combinations of golden barites growing on green fluorite and sometimes slightly purple fluorite, occasionally all on sparkly drusy quartz matrix.
[Rock Currier 2011]
[Edited, Bob Jackson 2011]

Regions containing this locality

Rocky Mountains, North America

Mountain Range - 2,058 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


20 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Albite
Formula: Na(AlSi3O8)
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
'Albite-Anorthite Series'
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
'Apatite'
Description: Occurs in the Coryell syenite intrusion.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Description: Occurs in Coryell syenite.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Baryte
Formula: BaSO4
Reference: Rocks & Min.: 62: 324-325 & 331.
'Biotite'
Description: Occurs in the Coryell syenite intrusion.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Calcite
Formula: CaCO3
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Chalcocite
Formula: Cu2S
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Chalcopyrite
Formula: CuFeS2
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
'Chlorite Group'
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Covellite
Formula: CuS
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Fluorite
Formula: CaF2
Colour: Apple-green, emerald-green, pale purple
Description: Occurs in veins to over 1 meter wide.
Reference: Rocks & Min.: 62: 324-325 & 331; www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Galena
Formula: PbS
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
'Hornblende'
Description: Occurs in the Coryell syenite intrusion.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Description: Occurs in andesite hosting the fluorite veins and filling large cavities in the veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Microcline var: Hyalophane
Formula: (K,Ba)[Al(Si,Al)Si2O8]
Description: As cores within orthoclase crystals within Coryell syenite.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Orthoclase
Formula: K(AlSi3O8)
Habit: Large
Colour: Pink, green
Description: Occurs as large pink and green crystals in the Coryell syenite intrusion. Crystals ay contain hyalophane cores.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Pyrite
Formula: FeS2
Description: Occurs in andesite hosting the fluorite veins.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Quartz
Formula: SiO2
Reference: Fluorite: The Collector's Choice. Extra Lapis English No. 9
Quartz var: Chalcedony
Formula: SiO2
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Titanite
Formula: CaTi(SiO4)O
Description: Occurs in the Coryell syenite intrusion.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
Zircon
Formula: Zr(SiO4)
Description: Occurs in the Coryell syenite intrusion.
Reference: www.em.gov.bc.ca/cf/minfile file no. 082ESE070.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite'9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
'Augite'9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Microcline
var: Hyalophane
9.FA.30(K,Ba)[Al(Si,Al)Si2O8]
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
Chlorite Group-
Hornblende-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline
var: Hyalophane
76.1.1.3(K,Ba)[Al(Si,Al)Si2O8]
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Hornblende'-
Kaolinite-Al2(Si2O5)(OH)4
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AlbiteNa(AlSi3O8)
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BaryteBaSO4
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
O KaoliniteAl2(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
FFluorine
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al OrthoclaseK(AlSi3O8)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Quartz (var: Chalcedony)SiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
SSulfur
S BaryteBaSO4
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S CovelliteCuS
S GalenaPbS
S PyriteFeS2
KPotassium
K Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluoriteCaF2
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
CuCopper
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4
Ba Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleogene
23.03 - 66 Ma



ID: 3186368
Cenozoic intrusive rocks

Age: Paleogene (23.03 - 66 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Eocene
33.9 - 56 Ma



ID: 681361
Coryell Plutonic Suite

Age: Eocene (33.9 - 56 Ma)

Stratigraphic Name: Coryell Plutonic Suite

Description: Monzonite, syenite, shonkinite

Comments: T. Hoy, B.N. Church, A. Legun, K. Glover, G. Gibson, B. Grant, J.O. Wheeler,K.P.E. Dunne, J. Cunningham, and P.J. Desjardins, 1994, Geological Compilation of the Kootenay Area, OF 1994-8, BCGS

Lithology: Syenitic to monzonitic intrusive rocks

Reference: B.C. Geological Survey. British Columbia Digital Geology. [3]

Eocene
33.9 - 56 Ma



ID: 3424432
Coryell Plutonic Suite

Age: Eocene (33.9 - 56 Ma)

Stratigraphic Name: Coryell Plutonic Suite

Description: Monzonite, syenite, shonkinite

Comments: Post Accretionary terrane

Lithology: Syenitic to monzonitic intrusive rocks

Reference: Cui, Y., Miller, D., Schiarizza, P., and Diakow, L.J. British Columbia digital geology. British Columbia Ministry of Energy, Mines and Petroleum Resources, British Columbia Geological Survey Open File 2017-8. [205]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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