Named in honor of Chen Guoda (陈国达) (22 January 1912, Xinhui County, Guangdong Province, China - 7 April 2004, Changsha, Hunan province, China), geologist, professor, and founder of Diwa-Geodepression theory of tectonics.

Type Locality:

ⓘ Funan Au deposit (Bunan), Zhaoyuan Co., Yantai Prefecture, Jiaodong Peninsula (Jiaodong Gold Province), Shandong Province, China

Compare 'UM1989-18-S:AgFeTe'.

Classification of ChenguodaiteHide

IMA status:

Approved

Approval Year:

2005

First Published:

2008

Nickel-Strunz 10th (pending) ed.:

2.BA.60

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au

Dana 8th ed.:

2.16.28.

2 : SULFIDES
16 : Miscellaneous

Physical Properties of ChenguodaiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

dark gray

Hardness:

2 - 3 on Mohs scale

Parting:

uneven

Density:

6.85 g/cm³ (Calculated)

Optical Data of ChenguodaiteHide

Type:

Isotropic

Bireflectance:

none

Internal Reflections:

none

Chemical Properties of ChenguodaiteHide

Formula:

Ag₉Fe³⁺Te₂S₄

IMA Formula:

Ag₉FeTe₂S₄

Elements listed:

Ag, Fe, S, Te - search for minerals with similar chemistry

Crystallography of ChenguodaiteHide

Crystal System:

Orthorhombic

Cell Parameters:

a = 12.769(2) Å, b = 14.814(2) Å, c = 16.233(1) Å

Ratio:

a:b:c = 0.862 : 1 : 1.096

Unit Cell V:

3,070.63 Å³ (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
6.742	(69)
6.416	(39)
5.951	(33)
3.265	(100)
2.981	(24)
2.649	(22)
2.25	(24)
2.188	(71)
2.142	(22)
2.123	(31)
2.044	(23)
1.949	(33)

Type Occurrence of ChenguodaiteHide

Type Locality:

ⓘ Funan Au deposit (Bunan), Zhaoyuan Co., Yantai Prefecture, Jiaodong Peninsula (Jiaodong Gold Province), Shandong Province, China

General Appearance of Type Material:

xenomorphic rounded or irregular shapes with the grain size 5―70 μm

Place of Conservation of Type Material:

Chinese Geological Museum, the catalogue number is M10487

Geological Setting of Type Material:

hydrothermal deposit

Associated Minerals at Type Locality:

Reference:

Gu, X., Watanabe, M., Xie, X., Peng, S., Nakamuta, Y., Ohkawa, M., Hoshino, K., Ohsumi, K., Shibata, Y. (2008) Chenguodaite (Ag^9FeTe^2S^4): a new tellurosulfide mineral from the gold district of East Shandong Peninsula, China. Chinese Science Bulletin: 53(22): 3567-3573.

Download:

http://rruff.info/rruff_1.0/uploads/CSB22_2008_3567.pdf

Synonyms of ChenguodaiteHide

IMA2004-042a

UM2003-16-S:AgFeTe

Related Minerals - Nickel-Strunz Grouping Hide

2.BA.	Alburnite	Ag₈GeTe₂S₄	Iso.
2.BA.	Dzierżanowskite	CaCu₂S₂	Trig. 3m (3 2/m) : P3m1
2.BA.05	Chalcocite	Cu₂S	Mon. 2/m : P2₁/b
2.BA.05	Djurleite	Cu₃₁S₁₆	Mon. 2/m
2.BA.05	Geerite	Cu₈S₅	Trig. 3
2.BA.05	Roxbyite	Cu₉S₅	Tric. 1 : P1
2.BA.10	Anilite	Cu₇S₄	Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10	Digenite	Cu₉S₅	Trig. 3m (3 2/m) : R3m
2.BA.15	Bornite	Cu₅FeS₄	Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20	Bellidoite	Cu₂Se	Tet. 4/m : P4₂/n
2.BA.20	Berzelianite	Cu₂Se	Iso. m3m (4/m 3 2/m) : Fm3m
2.BA.25	Athabascaite	Cu₅Se₄	Orth.
2.BA.25	Umangite	Cu₃Se₂	Tet.
2.BA.30	Rickardite	Cu₇Te₅	Orth.
2.BA.30	Weissite	Cu_2-xTe	Hex.
2.BA.35	Acanthite	Ag₂S	Mon. 2/m : P2₁/m
2.BA.40	Mckinstryite	Ag_5-xCu_3+xS₄	Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40	Stromeyerite	AgCuS	Orth. mmm (2/m 2/m 2/m)
2.BA.40d	UM2003-13-S:AgAuCu	Ag₆AuCu₂S₅
2.BA.45	Jalpaite	Ag₃CuS₂	Tet.
2.BA.45	Selenojalpaite	Ag₃CuSe₂	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
2.BA.50	Eucairite	AgCuSe	Orth.
2.BA.55	Aguilarite	Ag₄SeS	Mon. 2/m
2.BA.55	Naumannite	Ag₂Se	Orth. 2 2 2 : P2₁ 2₁ 2₁
2.BA.60	Cervelleite	Ag₄TeS	Mon. 2/m
2.BA.60	Hessite	Ag₂Te	Mon. 2/m : P2₁/b
2.BA.65	Henryite	(Cu,Ag)_3+xTe₂ , with x ~ 0.40	Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65	Stützite	Ag_5-xTe₃, x = 0.24-0.36	Hex. 6 : P6
2.BA.70	Argyrodite	Ag₈GeS₆	Orth. mm2 : Pna2₁
2.BA.70	Canfieldite	Ag₈SnS₆	Orth. mm2
2.BA.70	Putzite	(Cu_4.7Ag_3.3)GeS₆	Iso. 4 3m : F4 3m
2.BA.75	Fischesserite	Ag₃AuSe₂	Iso. 4 3 2 : I4₁ 3 2
2.BA.75	Penzhinite	(Ag,Cu)₄Au(S,Se)₄	Hex.
2.BA.75	Petrovskaite	AuAg(S,Se)	Mon.
2.BA.75	Petzite	Ag₃AuTe₂	Iso. 4 3 2 : I4₁ 3 2
2.BA.75	Uytenbogaardtite	Ag₃AuS₂	Trig. 3m (3 2/m) : R3c
2.BA.80	Bezsmertnovite	(Au,Ag)₄Cu(Te,Pb)	Orth.
2.BA.80	Bilibinskite	PbCu₂Au₃Te₂	Iso.
2.BA.80	Bogdanovite	(Au,Te,Pb)₃(Cu,Fe)	Iso.

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.

References for ChenguodaiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Gu X., Watanabe, M., Hoshino, K., Shibata Y. (2003) New find of silver tellurosulphides from the Funan gold deposit, East Shandong, China. European Journal of Mineralogy: 15: 147-155.

Gu, X., Watanabe, M., Xie, X., Peng, S., Nakamuta, Y., Ohkawa, M., Hoshino, K., Ohsumi, K., Shibata, Y. (2008) Chenguodaite (Ag₉FeTe₂S₄): a new tellurosulfide mineral from the gold district of East Shandong Peninsula, China. Chinese Science Bulletin: 53(22): 3567-3573.

Internet Links for ChenguodaiteHide

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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Localities for ChenguodaiteHide

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.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.


China (TL)
Shandong Province Jiaodong Peninsula (Jiaodong Gold Province) Yantai Prefecture Zhaoyuan Co. ⓘ Funan Au deposit (Bunan) (TL)	Chinese Sci. Bull. 53,3567 (2008)

USA
California Tuolumne Co. Mother Lode Belt Jamestown District Jamestown Jamestown Mine (Jamestown group) ⓘ Harvard Mine (Harvard Mine group; McCann claim; Mooney claim; Pacific claim; Vulture claim; Trio claim; Sobrante claim)	Gunnar Färber specimens.

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Chenguodaite

About ChenguodaiteHide