U.S. Geological Survey home page


Clark et. al. 2003 USGS Open File Report 03-395
Spectral Library splib05a Sample Description

(For further information on spectrsocopy, see: http://speclab.cr.usgs.gov)

TITLE: Mizzonite NMNH113775-1 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: NMNH113775-1

MINERAL_TYPE: Tectosilicate

MINERAL: Mizzonite (Me57) (Scapolite group)

FORMULA: 3NaAlSi3O8*NaCl - 3CaAl2Si2O8*CaCO3 (Me57)

FORMULA_HTML: 3NaAlSi3O8•NaCl - 3CaAl2Si2O8•CaCO3

COLLECTION_LOCALITY: Faraday Township, Ontario, Canada

ORIGINAL_DONOR: National Museum of Natural History

CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

SAMPLE_DESCRIPTION:

Mizzonite is an intermediate composition between marialite and meionite.

The band centered around 0.6µm give the sample a blue color.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Scapolite + laumontite + other(s) (Norma Vergo, USGS)

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: EM(WDS) # XRF, EM(WDS), ICP(Trace), WChem


COMPOSITION
KEYWORD
Oxide
ASCII
Amount Weight
Percent, %
Oxide
html
COMPOSITION: SiO2 49.60 wt% SiO2
COMPOSITION: Al2O3 25.43 wt% Al2O3
COMPOSITION: FeO 0.09 wt% FeO
COMPOSITION: MgO 0.03 wt% MgO
COMPOSITION: CaO 13.89 wt% CaO
COMPOSITION: Na2O 5.65 wt% Na2O
COMPOSITION: K2O 0.39 wt% K2O
COMPOSITION: Cl 0.88 wt% Cl
COMPOSITION: SO3 1.52 wt% SO3
COMPOSITION: CO2 2.66 wt% CO2
COMPOSITION: Total 100.14 wt%
COMPOSITION: O=Cl,F,S 0.19 wt% #correction for Cl, F, S
COMPOSITION: New Total 99.94 wt%

COMPOSITION_TRACE:

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1b2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns

LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment
LIB_SPECTRA: splib04a r 3053 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib05a r 4473 0.2-3.0µm 200 g.s.=


USA.gov logo  Take Pride in America button