The Shawa deposit, one of the largest vermiculite deposits in the world, is located within a 5.5 km radius alkali ring complex. The deposit was formed 209 million years ago, with the vermiculite being hosted within ijolite and serpentine rocks.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

20 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:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

USGS Open-File Report 02–156–A

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Baddeleyite

Formula: ZrO₂

References:

Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.

ⓘ Baryte

Formula: BaSO₄

References:

USGS Open-File Report 02–156–A

ⓘ Calcite

Formula: CaCO₃

References:

Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.

ⓘ Cancrinite

Formula: (Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O

References:

USGS Open-File Report 02–156–A

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

USGS Open-File Report 02–156–A

ⓘ Enstatite

Formula: Mg₂Si₂O₆

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Hematite

Formula: Fe₂O₃

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Lazurite

Formula: Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Magnesite

Formula: MgCO₃

References:

USGS Open-File Report 02–156–A

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

USGS Open-File Report 02–156–A

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Quartz

Formula: SiO₂

References:

USGS Open-File Report 02–156–A

Meck, M. L., Atlhopheng, J., Masamba, W. R. L., Ringrose, S., & Diskin, S. (2011). Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal, 5, 1-9.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

USGS Open-File Report 02–156–A

ⓘ Vermiculite

Formula: Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O

References:

USGS Open-File Report 02–156–A

www.angelfire.com (2015) http://www.angelfire.com/realm3/roo0/angelfire/Hans.htm

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Baddeleyite	4.DE.35	ZrO₂
Group 5 - Nitrates and Carbonates
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Vermiculite	9.EC.50	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
ⓘ	Cancrinite	9.FB.05	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
ⓘ	Lazurite	9.FB.10	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Unclassified
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
H	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Magnesite	MgCO₃
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Baddeleyite	ZrO₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
O	ⓘ Magnesite	MgCO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Quartz	SiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Na	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Al	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
S	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Zr	Zirconium
Zr	ⓘ Baddeleyite	ZrO₂
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate

Zimbabwe

Manicaland
- Buhera District
  - Shawa complexComplex

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

Lauderdale, J.N. (xxxx) The geology of the country around Dorowa and Shawa, Buhera district. Zimbabwe Geological Survey Bulletin 95.

Johnson, R.L. (1961) The geology of the Dorowa and Shawa carbonatite complexes, Southern Rhodesia. Transactactions and Proceedings of the Geological Society of South Africa: 64: 101-146. https://journals.co.za/doi/pdf/10.10520/AJA10120750_1495

Nicolaysen, L.C., Burger, A.T., Johnson, R.L. (1962) The Age of the Shawa Carbonatite. Transactions of the Geological Society of South Africa: 65: 293-294.

Gough, D.I., Brock, A. (1964) Palaemagnetism of the Shawa Ijolite. Journal of Geophysical Research: 69(12): 2489-2493.

Johnson, R.L. (1966) The Shawa and Dorowa Carbonatite Complexes, Rhodesia. In: Tuttle, O.F., Gittins, I.J. (eds.) (1966) Carbonatites. John Wiley and Sons, New York: 205-224.

Dodd, M.J. (1971) Shawa Phosphate Deposit, Weathered Zone Resources. Unpublished report, Zimbabwe Geological Survey Tech Files.

Lee, C.A. (1973) Petrochemistry of the Katete, Shawa, and Dorowa Carbonatites, Rhodesia. Unpublished Ph.D. Thesis, University of London, England.

Lee, C.A., Reid, A.B. (1977) Gravity Survey of the Shawa Carbonatite Complex, Rhodesia. Transactions of the Geological Society of South Africa: 80: 43-45.

Fernandes, T.R.C. (1990) Dorowa and Shawa: late Palaeozoic to Mesozoic carbonatite complexes in Zimbabwe. In: Notholt, A.J.G., Sheldon, R.P., Davison, D.F. (Eds.) (1989) Phosphate deposits of the world: 2. Phosphate rock resources. Cambridge University Press, Cambridge, UK: 171-175. https://books.google.be/books?id=nw230cCn2EoC&pg=PA171&lpg=PA171&dq=%22shawa+complex%22&source=bl&ots=cFxmIZtZZU&sig=ACfU3U1CRsFyyAcESFp_CULQ-W_moRMYhw&hl=nl&sa=X&ved=2ahUKEwjD4p-0kLjkAhXjwAIHHehLDFoQ6AEwDHoECAgQAQ#v=onepage&q=%22shawa%20complex%22&f=false

Meck, M.L., Atlhopheng, J., Masamba, W.R.L., Ringrose, S., Diskin, S. (2011) Minerals that host metals at Dorowa rock phosphate mine, Zimbabwe. Open Mineralogy Journal: 5: 1-9. https://benthamopen.com/contents/pdf/TOMJ/TOMJ-5-1.pdf

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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

Shawa Mine, Shawa complex, Buhera District, Manicaland, Zimbabwe i
Regional Level Types
Shawa Mine Mine
Shawa complex Complex
Buhera District District
Manicaland Province
Zimbabwe Country