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Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan i
Regional Level Types
Konjo mine Mine (Abandoned)
Miyahara - not defined -
Mimasaka city City
Okayama Prefecture Prefecture
Japan Country

Regional Level Types
Konjo mine	Mine (Abandoned)
Miyahara	- not defined -
Mimasaka city	City
Okayama Prefecture	Prefecture
Japan	Country

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Dump of Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Slags in Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Stannoidite, etc.

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Dump of Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Slags in Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Stannoidite, etc.

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Dump of Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Slags in Konjo mine

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Latitude & Longitude (WGS84):

35° North , 134° East (est.)

Estimate based on other nearby localities or region boundaries.

Margin of Error:

~23km

GRN:

N24E79

Type:

Mine (Abandoned) - last checked 2024

Age:

~145.0 to 66.0 Ma

Geologic Time:

Cretaceous

Köppen climate type:

Cfa : Humid subtropical climate

Mindat Locality ID:

2188

Long-form identifier:

mindat:1:2:2188:6

GUID (UUID V4):

Name(s) in local language(s):

金生鉱山, 岡山県美作市宮原

Xenothermal copper-tin deposit, about 30 km northeast of Okayama. The mine is closed since at least 1969 (Kato, 1969).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Copper

ⓘ Silver

ⓘ Tin

Mineral List

18 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Andesite

ⓘ Rhyolite

ⓘ 'Rhyolitic tuff'

Detailed Mineral List:

ⓘ Bornite

Formula: Cu₅FeS₄

References:

Ito, T., Sakurai, K. (1947) Wada's Minerals of Japan (3rd ed.) Mineralogical Institute, University of Tokyo, Tokyo.

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Bornite var. Silver-bearing Bornite

Formula: (Cu,Ag)₅FeS₄

References:

Ito, T., Sakurai, K. (1947) Wada's Minerals of Japan (3rd ed.) Mineralogical Institute, University of Tokyo, Tokyo.

ⓘ Cassiterite

Formula: SnO₂

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

ⓘ Clausthalite

Formula: PbSe

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ 'Clausthalite-Galena Series'

References:

Pavel Kartashov collection and analysis

ⓘ Covellite

Formula: CuS

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Fluorite

Formula: CaF₂

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Galena

Formula: PbS

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

ⓘ Galena var. Selenium-bearing Galena

Formula: Pb(S,Se)

References:

Pavel Kartashov collection and analysis

ⓘ Hematite

Formula: Fe₂O₃

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Mawsonite

Formula: Cu₆Fe₂SnS₈

References:

Anthony, John W., Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - Eds. (2016) Handbook of Mineralogy. https://www.handbookofmineralogy.org/

ⓘ Naumannite

Formula: Ag₂Se

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Nukundamite

Formula: Cu_3.33Fe_0.66S₄

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Pyrite

Formula: FeS₂

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

ⓘ Quartz

Formula: SiO₂

References:

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Roquesite

Formula: CuInS₂

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ Siderite

Formula: FeCO₃

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

ⓘ Sphalerite

Formula: ZnS

References:

Günter Grundmann ID by ore microscopy

ⓘ Stannite

Formula: Cu₂FeSnS₄

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

ⓘ Stannoidite (TL)

Formula: Cu⁺₆Cu²⁺₂(Fe²⁺,Zn)₃Sn₂S₁₂

Type Locality:

References:

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

ⓘ 'Tennantite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)As₄S₁₂S

References:

Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

Gallery:

SnO₂ⓘ Cassiterite

Cassiterite, etc.

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Cassiterite, etc.

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

Cassiterite, etc.

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	var. Silver-bearing Bornite	2.BA.15	(Cu,Ag)₅FeS₄
ⓘ	Naumannite	2.BA.55	Ag₂Se
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Nukundamite	2.CA.10	Cu_3.33Fe_0.66S₄
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Roquesite	2.CB.10a	CuInS₂
ⓘ	Stannite	2.CB.15a	Cu₂FeSnS₄
ⓘ	Stannoidite (TL)	2.CB.15c	Cu⁺₆Cu²⁺₂(Fe²⁺,Zn)₃Sn₂S₁₂
ⓘ	Mawsonite	2.CB.20	Cu₆Fe₂SnS₈
ⓘ	Clausthalite	2.CD.10	PbSe
ⓘ	Galena	2.CD.10	PbS
ⓘ	var. Selenium-bearing Galena	2.CD.10	Pb(S,Se)
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	'Tennantite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cassiterite	4.DB.05	SnO₂
Group 5 - Nitrates and Carbonates
ⓘ	Siderite	5.AB.05	FeCO₃
Unclassified
ⓘ	'Clausthalite-Galena Series'	-

List of minerals for each chemical element

C	Carbon
C	ⓘ Siderite	FeCO₃
O	Oxygen
O	ⓘ Cassiterite	SnO₂
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Quartz	SiO₂
O	ⓘ Siderite	FeCO₃
F	Fluorine
F	ⓘ Fluorite	CaF₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Covellite	CuS
S	ⓘ Galena	PbS
S	ⓘ Mawsonite	Cu₆Fe₂SnS₈
S	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
S	ⓘ Pyrite	FeS₂
S	ⓘ Roquesite	CuInS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Stannite	Cu₂FeSnS₄
S	ⓘ Stannoidite	Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂
S	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
S	ⓘ Clausthalite-Galena Series
S	ⓘ Galena var. Selenium-bearing Galena	Pb(S,Se)
S	ⓘ Bornite var. Silver-bearing Bornite	(Cu,Ag)₅FeS₄
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Mawsonite	Cu₆Fe₂SnS₈
Fe	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Stannite	Cu₂FeSnS₄
Fe	ⓘ Stannoidite	Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂
Fe	ⓘ Bornite var. Silver-bearing Bornite	(Cu,Ag)₅FeS₄
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Covellite	CuS
Cu	ⓘ Mawsonite	Cu₆Fe₂SnS₈
Cu	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
Cu	ⓘ Roquesite	CuInS₂
Cu	ⓘ Stannite	Cu₂FeSnS₄
Cu	ⓘ Stannoidite	Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂
Cu	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Cu	ⓘ Bornite var. Silver-bearing Bornite	(Cu,Ag)₅FeS₄
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Zn	ⓘ Stannoidite	Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂
As	Arsenic
As	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Se	Selenium
Se	ⓘ Clausthalite	PbSe
Se	ⓘ Naumannite	Ag₂Se
Se	ⓘ Clausthalite-Galena Series
Se	ⓘ Galena var. Selenium-bearing Galena	Pb(S,Se)
Ag	Silver
Ag	ⓘ Naumannite	Ag₂Se
Ag	ⓘ Bornite var. Silver-bearing Bornite	(Cu,Ag)₅FeS₄
In	Indium
In	ⓘ Roquesite	CuInS₂
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Sn	ⓘ Mawsonite	Cu₆Fe₂SnS₈
Sn	ⓘ Stannite	Cu₂FeSnS₄
Sn	ⓘ Stannoidite	Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Pb	Lead
Pb	ⓘ Clausthalite	PbSe
Pb	ⓘ Galena	PbS
Pb	ⓘ Clausthalite-Galena Series
Pb	ⓘ Galena var. Selenium-bearing Galena	Pb(S,Se)

Other Regions, Features and Areas containing this locality

Amur PlateTectonic Plate

AsiaContinent

Eurasian Plate

South Japan ArcVolcanic Arc

Japan

Honshu IslandIsland

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Ito, T., Sakurai, K. (1947) Wada's Minerals of Japan (3rd ed.) Mineralogical Institute, University of Tokyo, Tokyo.

Kato, A. (1969) Stannoidite, Cu5(Fe, Zn)2SnS8, a new stannite-like mineral from the Konjo mine, Okayama Prefecture, Japan. Bulletin National Science Museum, Tokyo: 12: 165-172.

Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.

Anthony, John W., Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - Eds. (2016) Handbook of Mineralogy. https://www.handbookofmineralogy.org/

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Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, JapaniRegional Level TypesKonjo mineMine (Abandoned) Miyahara- not defined - Mimasaka cityCity Okayama PrefecturePrefecture JapanCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Konjo mine, Miyahara, Mimasaka city, Okayama Prefecture, Japan i
Regional Level Types
Konjo mine Mine (Abandoned)
Miyahara - not defined -
Mimasaka city City
Okayama Prefecture Prefecture
Japan Country