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Ruby With Magnesiotaramite & Preiswerkite

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AMM1017821

Ruby With Magnesiotaramite & Preiswerkite

Description Tabs

Description
Locality: 
Handeni District, Tanga Region, Tanzania (United Republic)
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.4 × 1 cm
Description

Excellent specimen with numerous dark-green elongated magnesiotaramite in association with minor light green preiswerkite. Both minerals are located on a well-formed reddish ruby-crystal that measures 3 centimetre in length.

Note: Magnesiotaramite is a magnesium-rich variety of taramite that has not been conclusively investigated.

Mineral Data
What's on the rock

Ruby

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Crystal System: 
Hexagonal
Hardness: 
9.0
Colour: 
Red

Preiswerkite

Formula: 
NaMg2Al(Al2Si2O10)(OH)2
Strunz: 
9.EC.20
Hardness: 
2.5
Type Locality: 
Geisspfad pass, Geisspfad area, Binn Valley, Wallis (Valais), Switzerland

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.