The deposit had proved reserves of 1,809,683 tons Rb2O, 199,140 tons Nb2O5, 1,155,014 tons Li2O, and 79,656 tons Cs2O. The exposed strata in the mining region consist of the Xiaoguanzhuang plagiogneiss and Qiuhuayu gneiss of the Archean, gray–green tuffaceous sandstones, quartz sandstones, and conglomerates of the Paleoproterozoic Changzhougou Formation. The magmatic rocks in this area are the Madi intrusion, which is an elliptical body extending NW with an area of about 5.35 km2.

The Madi granitic pluton, the main intrusive body in the mining area, covers ∼ 5 km2, with a NW40°-trending long axis of ∼ 4,200 m and a western short axis of ∼ 1,700 m. It displays distinct lithofacies and alteration zones, which from bottom to top consist of light red medium- to fine-grained granite, gray porphyritic alkali-feldspar granite, and gray porphyritic amazonite-bearing alkali-feldspar granite. Additionally, iron-manganese nodules are locally developed within the gray porphyritic alkali-feldspar granite. Rb mineralization occurs predominantly in the alkali feldspar granite and amazonite-bearing alkali-feldspar granite with Rb content increasing upward from deeper to shallower levels.

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.

ⓘ Caesium

ⓘ Lithium

ⓘ Niobium (Columbium)

ⓘ Rubidium

Mineral List

10 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

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Liu, ChenYu; Chen, GongZheng; Zhang, ChenChun; Wang, JinFang; Wu, Guang; Li, YingJie; Li, KangShuo; Lu, ZeQian; Song, YuTong (2024) Age and petrogenesis of the Madi intrusion in the Huashi area, northern margin of the North China Craton: Implications for magma evolution and Nb–Ta mineralization. Ore Geology Reviews, 173. doi:10.1016/j.oregeorev.2024.106261

Liu, Yu; Chen, Binghan; Li, Zhibin; Li, Jie; Feng, Yunlei; Zhang, Juquan; Geng, Huiqing; Miao, Qunfeng (2026) Rb mineralization mechanisms and age in the Huashi deposit northern margin of the North China Craton: Constraints from zinnwaldite geochemistry, whole-rock geochemistry, and monazite–columbite–zircon geochronology. Ore Geology Reviews, 190. 107181 doi:10.1016/j.oregeorev.2026.107181

ⓘ 'Alkali Feldspar'

References:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

References:

ⓘ Columbite-(Mn)

Formula: Mn²⁺Nb₂O₆

References:

ⓘ 'Feldspar Group'

References:

ⓘ 'Feldspar Group var. Perthite'

References:

ⓘ Fluorite

Formula: CaF₂

References:

ⓘ 'K Feldspar'

References:

ⓘ 'Limonite'

References:

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

ⓘ Microcline var. Amazonite

Formula: K(AlSi₃O₈)

References:

ⓘ 'Monazite Group'

Formula: REE(PO₄)

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Rhodochrosite

Formula: MnCO₃

References:

ⓘ Topaz

Formula: Al₂(SiO₄)(F,OH)₂

References:

ⓘ 'Zinnwaldite'

References:

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Columbite-(Mn)	4.DB.35	Mn²⁺Nb₂O₆
Group 5 - Nitrates and Carbonates
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Topaz	9.AF.35	Al₂(SiO₄)(F,OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Microcline var. Amazonite	9.FA.30	K(AlSi₃O₈)
ⓘ		9.FA.30	K(AlSi₃O₈)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Alkali Feldspar'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Limonite'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Zinnwaldite'	-
ⓘ	'Feldspar Group var. Perthite'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'K Feldspar'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
H	ⓘ Zinnwaldite
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Li	Lithium
Li	ⓘ Zinnwaldite
C	Carbon
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
O	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
O	ⓘ Zinnwaldite
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Fluorite	CaF₂
F	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
F	ⓘ Zinnwaldite
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Al	ⓘ Zinnwaldite
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Si	ⓘ Zinnwaldite
Si	ⓘ Zircon	Zr(SiO₄)
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Zinnwaldite
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Mn	Manganese
Mn	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Mn	ⓘ Rhodochrosite	MnCO₃
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Zinnwaldite
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series

Other Regions, Features and Areas containing this locality

Amur PlateTectonic Plate

AsiaContinent

China

North China OrogenOrogen

Eurasian Plate

North China Craton
- Longgang BlockShield

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

[1]Liu, ChenYu; Chen, GongZheng; Zhang, ChenChun; Wang, JinFang; Wu, Guang; Li, YingJie; Li, KangShuo; Lu, ZeQian; Song, YuTong (2024) Age and petrogenesis of the Madi intrusion in the Huashi area, northern margin of the North China Craton: Implications for magma evolution and Nb–Ta mineralization. Ore Geology Reviews, 173. doi:10.1016/j.oregeorev.2024.106261

[2]Liu, Yu; Chen, Binghan; Li, Zhibin; Li, Jie; Feng, Yunlei; Zhang, Juquan; Geng, Huiqing; Miao, Qunfeng (2026) Rb mineralization mechanisms and age in the Huashi deposit northern margin of the North China Craton: Constraints from zinnwaldite geochemistry, whole-rock geochemistry, and monazite–columbite–zircon geochronology. Ore Geology Reviews, 190. 107181 doi:10.1016/j.oregeorev.2026.107181

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Huashi rare metal deposit, Xinglong County, Chengde, Hebei, ChinaiRegional Level TypesHuashi rare metal depositDeposit Xinglong CountyCounty ChengdePrefecture-level City HebeiProvince ChinaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Commodity List

Mineral List

Rock Types Recorded

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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

Huashi rare metal deposit, Xinglong County, Chengde, Hebei, China i
Regional Level Types
Huashi rare metal deposit Deposit
Xinglong County County
Chengde Prefecture-level City
Hebei Province
China Country