Sample Description USGS Spectral Library Version 7

USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
_{For more information on the library, see:
local link
web link}

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.

IMAGE_OF_SAMPLE:
NO PHOTO

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

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

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: EPMA # XRF, EPMA, 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 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_ # NMNH113775-1 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns