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Lanthanite-(La) & Allanite-(Ce)

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RMM709700

Lanthanite-(La) & Allanite-(Ce)

Rare Mineral

Description Tabs

Description
Locality: 
Tripp Mine, Cardiff Township, Haliburton County, Ontario, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 1 cm
Description

White lanthanite-La micro-crystals form a crust over mildly radioactive massive allanite-(Ce). It is possible that crystals of hydroxylbastnäsite-(La) are also present. These species were confirmed by Pavel Kartashov.

For his micro-photographs of the crystals see Mindat

Because the allanite is weakly radioactive it has to be shipped by a more expensive method than usual to the USA, thus the cost of shipping is higher than usual. Some international customers such as China and Japan may also have to pay more than posted or accept shipping by boat rather than air. European cutomers should not be affected.

Mineral Data
What's on the rock

Lanthanite-(La)

Formula: 
(La,Ce)2(CO3)3·8H2O
Strunz: 
5.CC.25
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Qáqarssuatsiaq, Aluk Island, Kap Farvel, Kujalleq, Greenland

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Please note that we do not hold any responsibility for transport damages or loss of shipped goods if insured shipping is not purchased. Transport damages are to be claimed directly to the transport company in case of insured shipment. The recipients are solely responsible for the compliance of the shipped items with local customs restrictions and tax issues.