Manganese-rich skarn composed of piemontite, pyroxene, garnet and others, interlayered with impure marbles.

Located on the eastern shore of Tjaktjajaure reservoir (access only in dry season).

Coordinates are for the reservoir.

Tjaktjajávrre, according to previous spelling Tjaktjajaure, is a lake in Jokkmokk municipality in Lapland and is part of the main catchment area of the Luleälven. The lake has an area of 76.8 square kilometers and is 470 meters above sea level. The lake is drained by the Blackälven watercourse.

Tjaktjajávrre is part of the sub-catchment area (744082-161203) which SMHI calls the Outfall of Tjaktjajaure. The average height is 586 meters above sea level and the area is 236.99 square kilometers. If the 128 catchment areas upstream are included, the accumulated area is 2,253.38 square kilometers. The Black River that drains the catchment has tributary order 3, which means that the water flows through a total of 3 watercourses before reaching the sea after 267 kilometers. The catchment area consists mostly of forest (52 percent) and calving hills (14 percent). The catchment area has 77.23 square kilometers of water surface, giving it a lake percentage of 32.6 percent.

Tjaktjajávrre became a regulated lake in 1967 after the Seitevare power plant with associated dam was completed. The lake's height above sea level may vary between 442.5 and 477 m above sea level.

400 hectares of Sarek National Park — in Rittakdalen — came after the 1962 Riksdag decision to be used for the Tjaktjajaure water control reservoir.

A protest film against the expansion of hydropower was made in 1957. Samer shows environments that Vattenfall would put under water - Blackälven, Sitojaure, Vaggevare, Tjåki, Laitaure, Skierfe, Aktse, Laitätno, Rittakdalen, Snavva, Akkajaure and Heliga Fallet. The film was named The Holy River.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Braunite

9 valid minerals.

Detailed Mineral List:

ⓘ Braunite

Formula: Mn²⁺Mn³⁺₆(SiO₄)O₈

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Calcite

Formula: CaCO₃

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Fluorite

Formula: CaF₂

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Grossular

Formula: Ca₃Al₂(SiO₄)₃

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Microcline var. Amazonite

Formula: K(AlSi₃O₈)

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Microcline var. Hyalophane

Formula: (K,Ba)[Al(Si,Al)Si₂O₈]

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Piemontite

Formula: (CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Spessartine

Formula: Mn²⁺₃Al₂(SiO₄)₃

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Svabite

Formula: Ca₅(AsO₄)₃F

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

ⓘ Vesuvianite

Formula: Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉

References:

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Svabite	8.BN.05	Ca₅(AsO₄)₃F
Group 9 - Silicates
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Spessartine	9.AD.25	Mn²⁺₃Al₂(SiO₄)₃
ⓘ	Braunite	9.AG.05	Mn²⁺Mn³⁺₆(SiO₄)O₈
ⓘ	Piemontite	9.BG.05a	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Vesuvianite	9.BG.35	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
ⓘ	Microcline var. Amazonite	9.FA.30	K(AlSi₃O₈)
ⓘ	var. Hyalophane	9.FA.30	(K,Ba)[Al(Si,Al)Si₂O₈]
ⓘ		9.FA.30	K(AlSi₃O₈)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
O	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
O	ⓘ Calcite	CaCO₃
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
O	ⓘ Svabite	Ca₅(AsO₄)₃F
O	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
F	Fluorine
F	ⓘ Fluorite	CaF₂
F	ⓘ Svabite	Ca₅(AsO₄)₃F
Mg	Magnesium
Mg	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Al	Aluminium
Al	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Al	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Si	Silicon
Si	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
Si	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
K	Potassium
K	ⓘ Microcline var. Amazonite	K(AlSi₃O₈)
K	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
K	ⓘ Microcline	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Svabite	Ca₅(AsO₄)₃F
Ca	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Mn	Manganese
Mn	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Mn	ⓘ Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
Mn	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Fe	Iron
Fe	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
As	Arsenic
As	ⓘ Svabite	Ca₅(AsO₄)₃F
Ba	Barium
Ba	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]

Other Databases

Wikipedia:	https://sv.wikipedia.org/wiki/Tjaktjaj%C3%A1vrre
Wikidata ID:	Q2596081

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield

Eurasian PlateTectonic Plate

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Sweden

⭔Lappland ProvinceProvince

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References

Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.

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Tjaktjajaure, Ultevis, Jokkmokk, Norrbotten County, SwedeniRegional Level TypesTjaktjajaureLake UltevisGroup of Occurrences JokkmokkMunicipality Norrbotten CountyCounty SwedenCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Databases

Other Regions, Features and Areas containing this locality

References

Tjaktjajaure, Ultevis, Jokkmokk, Norrbotten County, Sweden i
Regional Level Types
Tjaktjajaure Lake
Ultevis Group of Occurrences
Jokkmokk Municipality
Norrbotten County County
Sweden Country