Paravinogradovite

Overview

(Na,K,Be)2(Ti,Fe+3)4(Si2O6)2(Si3AlO10)(OH)4·(H2O)
Fluorescence: light yellow green under SW and LW	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.77 g/cc
Hardness - Mohs	Paravinogradovite - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white
Streak	white

Crystal Properties

Property	Value
Crystal structure	triclinic - pedial
Cleavage	perfect
Tenacity	brittle
Fracture	splintery
Luster	vitreous, pearly

Similar Minerals

Dana Number : 68.01.02.02

Class: 68

Group: 68.01

Subgroup: 68.01.02 - vinogradovite

Dana Number	Mineral Name	Formula
68.01.02.01	vinogradovite	(Na,K)4Ti4(Si,Al)8O26·3(H2O,Na)
68.01.02.02	paravinogradovite	(Na,K,Be)2(Ti,Fe+3)4(Si2O6)2(Si3AlO10)(OH)4·(H2O)

Nickel-Strunz Number : 09.DB.25

Group : 09

Subgroup : DB

Nickel-Strunz Number	Mineral Name	Formula
09.DB.25	paravinogradovite	(Na,K,Be)2(Ti,Fe+3)4(Si2O6)2(Si3AlO10)(OH)4·(H2O)
09.DB.25	vinogradovite	(Na,K)4Ti4(Si,Al)8O26·3(H2O,Na)

Specimens

Localities

Uses