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Iimoriite-(Y) & Allanite

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FRR717398

Iimoriite-(Y) & Allanite

Description Tabs

Description
Locality: 
Trimouns, Luzenac, Ariège, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.2 × 1.7 cm
Description

A small but very clean, translucent, yellow crystal of Iimorite is set on a chunk of talc matrix from the famous Trimouns quarry.

A dark green crystal of Allanite is also present.

Former Sandro Maggia collection with label.

Mineral Data
What's on the rock

Allanite

Synonym Of: 

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.0

Allanite-(La)

Formula: 
{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
6.0

Allanite-(Y)

Formula: 
{CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.5

Iimoriite-(Y)

Formula: 
Y2[SiO4][CO3]
Strunz: 
9.AH.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Colour: 
Buff-tan
Streak: 
White
Type Locality: 
Suishoyama pegmatite (Suishouyama; Suisyoyama; Suishyoyama), Iizaka Village (Iisaka), Kawamata, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.