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Natronambulite & Sérandite

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RFJ907866

Natronambulite & Sérandite

Type Locality

Description Tabs

Description
Locality: 
Tanohata Mine, Iwate Prefecture, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.4 × 3.5 × 1.2 cm
Description

Natronambulite is a rare mineral which is found only in a handfull of localitys in the world. Salmon pink is Serandite,orange is Natronambulite and the pink beside the Natronambulite is Rhodonite.

Mineral Data
What's on the rock

Natronambulite

Formula: 
(Na,Li)(Mn,Ca)4Si5O14OH
Strunz: 
9.DK.05
Hardness: 
5.5 - 6.0
Type Locality: 
Tanohata mine, Shimohei-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan

Sérandite

Formula: 
Na(Mn2+,Ca)2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Seller Information

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