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Tunduru, Tunduru District, Ruvuma Region, Tanzania i
Regional Level Types
Tunduru - not defined -
Tunduru District District
Ruvuma Region Region
Tanzania Country

Regional Level Types
Tunduru	- not defined -
Tunduru District	District
Ruvuma Region	Region
Tanzania	Country

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Alexandrite, etc.

Tunduru, Tunduru District, Ruvuma Region, Tanzania

Alexandrite, etc.

Tunduru, Tunduru District, Ruvuma Region, Tanzania

Alexandrite, etc.

Tunduru, Tunduru District, Ruvuma Region, Tanzania

Latitude & Longitude (WGS84):

11° 2' 26'' South , 37° 19' 45'' East

Latitude & Longitude (decimal):

G#: ky491qnk0

Köppen climate type:

Aw : Tropical savanna, wet

Mindat Locality ID:

67493

Long-form identifier:

mindat:1:2:67493:2

GUID (UUID V4):

Gem mining of several different minerals.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

7 valid minerals.

Detailed Mineral List:

ⓘ Chrysoberyl

Formula: BeAl₂O₄

ⓘ Chrysoberyl var. Alexandrite

Formula: BeAl₂O₄

References:

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

ⓘ Corundum

Formula: Al₂O₃

References:

USGS (2003) Minerals Yearbook - Tanzania.

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

ⓘ Corundum var. Ruby

Formula: Al₂O₃

References:

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

gemexplorer.org (n.d.) http://gemexplorer.org/archives/tunduru-tanzania

ⓘ Corundum var. Sapphire

Formula: Al₂O₃

References:

USGS (2003) Minerals Yearbook - Tanzania.

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

ⓘ Diamond

Formula: C

References:

gemexplorer.org (n.d.) http://gemexplorer.org/archives/tunduru-tanzania

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

gemexplorer.org (n.d.) http://gemexplorer.org/archives/tunduru-tanzania

ⓘ Magnesiotaaffeite-2N’2S

Formula: Mg₃Al₈BeO₁₆

Description: Several kilos of gem material has been found (Bruce Cairncross personal comment to Debbie Woolf).

References:

Schmetzer, Karl, Krzemnicki, Michael, Hänni, Henry A., Bernhardt, Heinz-Jürgen, Pettke, Thomas (2007) Gem-quality taaffeites and musgravites from Africa. The Journal of Gemmology, 30 (7) 367-382 doi:10.15506/jog.2007.30.7.367

Thomas, A. (2008) Gemstones properties, identification and use. New Holland Publishers, Cape Town, 256 pp

ⓘ Magnesiotaaffeite-6N’3S

Formula: Mg₂BeAl₆O₁₂

References:

ⓘ Spinel

Formula: MgAl₂O₄

References:

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Macfarlane, M., Tallontire, A., & Martin, A. (2003). Towards an Ethical Jewellery Business. Natural Resources Institute, University of Greenwich, London.

gemexplorer.org (n.d.) http://gemexplorer.org/archives/tunduru-tanzania

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Diamond	1.CB.10a	C
Group 4 - Oxides and Hydroxides
ⓘ	Chrysoberyl var. Alexandrite	4.BA.05	BeAl₂O₄
ⓘ		4.BA.05	BeAl₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	var. Ruby	4.CB.05	Al₂O₃
ⓘ	var. Sapphire	4.CB.05	Al₂O₃
ⓘ	Magnesiotaaffeite-6N’3S	4.FC.25	Mg₂BeAl₆O₁₂
ⓘ	Magnesiotaaffeite-2N’2S	4.FC.25	Mg₃Al₈BeO₁₆
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
Unclassified
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃

List of minerals for each chemical element

Be	Beryllium
Be	ⓘ Chrysoberyl var. Alexandrite	BeAl₂O₄
Be	ⓘ Chrysoberyl	BeAl₂O₄
Be	ⓘ Magnesiotaaffeite-6N’3S	Mg₂BeAl₆O₁₂
Be	ⓘ Magnesiotaaffeite-2N’2S	Mg₃Al₈BeO₁₆
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Diamond	C
O	Oxygen
O	ⓘ Chrysoberyl var. Alexandrite	BeAl₂O₄
O	ⓘ Chrysoberyl	BeAl₂O₄
O	ⓘ Corundum	Al₂O₃
O	ⓘ Magnesiotaaffeite-6N’3S	Mg₂BeAl₆O₁₂
O	ⓘ Corundum var. Ruby	Al₂O₃
O	ⓘ Corundum var. Sapphire	Al₂O₃
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Magnesiotaaffeite-2N’2S	Mg₃Al₈BeO₁₆
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Mg	Magnesium
Mg	ⓘ Magnesiotaaffeite-6N’3S	Mg₂BeAl₆O₁₂
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Magnesiotaaffeite-2N’2S	Mg₃Al₈BeO₁₆
Al	Aluminium
Al	ⓘ Chrysoberyl var. Alexandrite	BeAl₂O₄
Al	ⓘ Chrysoberyl	BeAl₂O₄
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Magnesiotaaffeite-6N’3S	Mg₂BeAl₆O₁₂
Al	ⓘ Corundum var. Ruby	Al₂O₃
Al	ⓘ Corundum var. Sapphire	Al₂O₃
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Magnesiotaaffeite-2N’2S	Mg₃Al₈BeO₁₆
Si	Silicon
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)

Other Regions, Features and Areas containing this locality

AfricaContinent

African Plate

Marrupa ProvinceOrogenic Belt
Tanzanian Coastal basinBasin

Somali PlateTectonic Plate

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

Thomas, A. (2008) Gemstones properties, identification and use. New Holland Publishers, Cape Town, 256 pp

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Tunduru, Tunduru District, Ruvuma Region, TanzaniaiRegional Level TypesTunduru- not defined - Tunduru DistrictDistrict Ruvuma RegionRegion TanzaniaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

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

Tunduru, Tunduru District, Ruvuma Region, Tanzania i
Regional Level Types
Tunduru - not defined -
Tunduru District District
Ruvuma Region Region
Tanzania Country