DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: WS700

MINERAL_TYPE: Tectosilicate

MINERAL: Meionite (Scapolite group)

FORMULA: Na4Al3Si9O24(Cl,OH)/Ca4Al6Si6O24(CO3,SO4)

FORMULA_HTML: Na₄Al₃Si₉O₂₄(Cl,OH)/Ca ₄Al₆Si₆O₂₄(CO₃,SO₄

COLLECTION_LOCALITY: Otter Lake, Quebec Canada

ORIGINAL_DONOR: Ward Science Collection

CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

SAMPLE_DESCRIPTION:

Scapolite solid solution series (marialite-wernerite-meionite) end member. Metamorphic mineral with composition suggestive of feldspars.

For samples marked WS700.HL, the HL stands for Heavy Liquid separation

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Scapolite + analcime + other(m) (Norma Vergo)
* analcime causing band in 2.3µ region

END_XRD_ANALYSIS.

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

COMPOSITION:	SiO2	52.5600	wt%	SiO2
COMPOSITION:	TiO2	0.0220	wt%	TiO2
COMPOSITION:	Al2O3	24.7100	wt%	Al2O3
COMPOSITION:	FeO	0.0720	wt%	FeO
COMPOSITION:	MnO	0.0360	wt%	MnO
COMPOSITION:	MgO	0.0200	wt%	MgO
COMPOSITION:	CaO	12.5800	wt%	CaO
COMPOSITION:	Na2O	5.5320	wt%	Na2O
COMPOSITION:	K2O	0.7760	wt%	K2O
COMPOSITION:	Cl	1.7520	wt%	Cl
COMPOSITION:	F	0.0140	wt%	F
COMPOSITION:	SO3	1.1880	wt%	SO3
COMPOSITION:	CO2	0.2000	wt%	CO2
COMPOSITION:	Total	99.4620	wt%
COMPOSITION:	O=Cl,F,S	0.4012	wt%	#correction for Cl, F, S
COMPOSITION:	New Total	99.0608	wt%

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

These values may be suspect because acid dissolution did not remove all CO₃.

Average of 5 spots.

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

Not done yet

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1_2_3_4_

LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment

LIB_SPECTRA: splib04a r 2947 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib05a r ____ 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=