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Janhaugite & Calcian Elpidite

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CSW148065

Janhaugite & Calcian Elpidite

Type Locality

Description Tabs

Description
Locality: 
Gjerdingselva, Nordmarka, Lunner, Viken, Norway
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.4 × 2.3 cm
Description

Granitic matrix with small cavities containing nice golden brown janhaugite (TL) and light brown calcian-elpidite.

Mineral Data
What's on the rock

Janhaugite

Formula: 
(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2
Strunz: 
9.BE.17
Hardness: 
5.0
Type Locality: 
Gjerdingselva (Gjerdingen), Nordmarka, Lunner, Oppland, Norway

Calcian Elpidite

Variety Of: 

Elpidite

Formula: 
Na2ZrSi6O15·3H2O
Strunz: 
9.DG.65
Hardness: 
5.0
Formula: 
(Na,Ca)2ZrSi6O15·3H2O
Hardness: 
0.0

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.