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Tainiolite & Todorokite & Riebeckite

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SHS124249

Tainiolite & Todorokite & Riebeckite

Description Tabs

Description
Locality: 
Seidozero Lake, Lovozero Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.5 × 1.6 cm
Description

Tainiolite and todorokite and riebeckite on matrix

Mineral Data
What's on the rock

Tainiolite

Formula: 
KLiMg2(Si4O10)F2
Strunz: 
9.EC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Todorokite

Formula: 
(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O
Strunz: 
4.DK.10
Hardness: 
1.5
Type Locality: 
Todoroki mine, Yoichi, Shiribeshi Province, Hokkaido, Japan

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5
Type Locality: 
Socotra Island, Adan Governorate, Yemen