Mineralogy of the Host Breccia was examined in core samples and thin sections from drill holes FSB-6, FSB-12, and FSB-21, on the First State Bank property at depths in the mineralized horizon between 610 and 850 m.

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.

ⓘ Fluorite (Fluorspar)

ⓘ Rare Earths

Mineral List

22 valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anatase

Formula: TiO₂

References:

McIntosh, Julia A.; Andersen, Allen K.; Bennett, Mitchell M.; Thompson, Jay M.; Johnson, Craig A.; Hofstra, Albert H.; Nuelle, Laurence M. (2026) Geochemical, mineralogical, and isotopic evidence for multi-stage genesis of the Hicks Dome REE + Y-HFSE-fluorite deposit, Illinois, USA. Ore Geology Reviews, 194. p.107328. doi:10.1016/j.oregeorev.2026.107328

ⓘ Baryte

Formula: BaSO₄

References:

ⓘ Bertrandite

Formula: Be₄(Si₂O₇)(OH)₂

References:

ⓘ Brookite

Formula: TiO₂

References:

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Celestine

Formula: SrSO₄

References:

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

ⓘ Euxenite-(Y)

Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

References:

ⓘ Fersmite

Formula: CaNb₂O₆

References:

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

ⓘ Fluorite

Formula: CaF₂

References:

ⓘ Galena

Formula: PbS

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

References:

ⓘ Pargasite

Formula: NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

References:

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

References:

ⓘ Pyrite

Formula: FeS₂

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ 'Rock flour'

References:

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

References:

ⓘ Sphalerite

Formula: ZnS

References:

ⓘ Thorbastnäsite

Formula: ThCa(CO₃)₂F₂ · 3H₂O

References:

ⓘ Thorite

Formula: Th(SiO₄)

References:

ⓘ Thorite var. Thorogummite

Formula: (Th,U)(SiO₄)_1-x(OH)_4x

References:

ⓘ 'Xenotime'

References:

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

References:

ⓘ 'Zircon Group'

Formula: MSiO₄

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
ⓘ	Euxenite-(Y)	4.DG.05	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
ⓘ	Fersmite	4.DG.05	CaNb₂O₆
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Thorbastnäsite	5.BD.20a	ThCa(CO₃)₂F₂ · 3H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Celestine	7.AD.35	SrSO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	var. Thorogummite	9.AD.30	(Th,U)(SiO₄)_1-x(OH)_4x
ⓘ	Bertrandite	9.BD.05	Be₄(Si₂O₇)(OH)₂
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Pargasite	9.DE.15	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
Unclassified
ⓘ	'Xenotime'	-
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Zircon Group'	-	MSiO₄
ⓘ	'Rock flour'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
H	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
Be	Beryllium
Be	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
O	Oxygen
O	ⓘ Anatase	TiO₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
O	ⓘ Brookite	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Celestine	SrSO₄
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
O	ⓘ Fersmite	CaNb₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	ⓘ Zircon Group	MSiO₄
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
Na	Sodium
Na	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	Magnesium
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	Aluminium
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
Si	ⓘ Zircon Group	MSiO₄
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Xenotime-(Y)	Y(PO₄)
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Celestine	SrSO₄
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ca	ⓘ Fersmite	CaNb₂O₆
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Fe	Iron
Fe	ⓘ Pyrite	FeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Sr	Strontium
Sr	ⓘ Celestine	SrSO₄
Y	Yttrium
Y	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Nb	Niobium
Nb	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Nb	ⓘ Fersmite	CaNb₂O₆
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ce	Cerium
Ce	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ta	Tantalum
Ta	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Pb	Lead
Pb	ⓘ Galena	PbS
Th	Thorium
Th	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Th	ⓘ Thorbastnäsite	ThCa(CO₃)₂F₂ · 3H₂O
Th	ⓘ Thorite	Th(SiO₄)
Th	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
U	Uranium
U	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
U	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Granite-Rhyolite ProvinceMagmatic Province
Illinois BasinBasin
Shawnee DomainDomain

USA

Illinois-Kentucky Fluorspar DistrictMining District
Rough Creek GrabenBasin

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References

[1]McIntosh, Julia A.; Andersen, Allen K.; Bennett, Mitchell M.; Thompson, Jay M.; Johnson, Craig A.; Hofstra, Albert H.; Nuelle, Laurence M. (2026) Geochemical, mineralogical, and isotopic evidence for multi-stage genesis of the Hicks Dome REE + Y-HFSE-fluorite deposit, Illinois, USA. Ore Geology Reviews, 194. p.107328. doi:10.1016/j.oregeorev.2026.107328

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