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Mineral Reference Lookup for b-cristobalite

This reference page contains mineralogic data for b-cristobalite and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.


Minerals matching b-cristobalite in the database: b-Cristobalite  

Mineralogical Reference

b-cristobalite
Mineralb-Cristobalite
SynonymCristobalite

Cristobalite (synonym)

MineralCRISTOBALITE
ChemistrySiO 2
ClassSilicate
UsesAs an indicator of high temperature crystallization and as mineral specimens.
Colorblue greybrown greyYellow or white
LusterVitreous
CrystalSystemTetragonal
Fractureabsent.
Hardness
StreakWhite
CharacteristicsRefractive index is approximately 1.48
Occurencesinclude Cerro San Cristobal, Pachuca, Mexico (from where it gets its name); San Juan Mountains and Yellowstone National Park, both in Colorado and Mt. Lassen, California, USA and Italy.
Indicatorscrystal habit, environment of formation (mostly in the crevices of volcanic rocks), color and index of refraction.
DensityNotebelow average for translucent minerals
IMAStatusApproved
Discovered1887
CellParametersa = 4.97c = 6.91
Ratioa:c = 1 : 1.39
TypeLocalityCerro San Cristóbal Mun. de Pachuca Hidalgo Mexico
Strunz4/D.01-30 4 : Oxides & Hydroxides D : Oxides with metal : oxygen = 1:2 (MO2 and related compounds) 01 : Quartz group
MNSTTUM_270
OBATSPC_059
JSKBBD_015
CORBD_126
QZNPTAA_268
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