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Dingdaohengite-(Ce) & Tridymite

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SMM814554

Dingdaohengite-(Ce) & Tridymite

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Description Tabs

Description
Locality: 
Conca Cannas Quarry, Masullas, Oristano Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.5 cm
Description

Reddish prismatic crystal of dingdaohengite-(Ce), a rare mineral specie closely related to perrierite-(Ce), found in other four locality world wide. Perrsonally found. The material collected was analyzed.

 

Boxed with Label
Mineral Data
What's on the rock

Dingdaohengite-(Ce)

Formula: 
(Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8
Strunz: 
9.BE.70
Hardness: 
0.0
Type Locality: 
Bayan Obo deposit (Bayun-Obo deposit; Baiyunebo deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia Autonomous Region, China

Tridymite

Formula: 
SiO2
Strunz: 
4.DA.10
Crystal System: 
Triclinic - Pedial
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico

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