M2100 Meionite / Muscovite / Pumpellyite-(Mg) : CSIRO Spectroscopy Database

M2100 Meionite / Muscovite / Pumpellyite-(Mg) [CSIRO]

Name	M2100 Meionite / Muscovite / Pumpellyite-(Mg)
Owner	CSIRO
Collection	ARRC Collection
Catalog ID	M2100
Material(s)	Meionite [Ca₄Al₆Si₆O₂₄(CO₃)] — 46.6% Muscovite-2M1 [KAl₂(Si₃Al)O₁₀(OH)₂] — 16.9% Pumpellyite-(Mg) (var. Cr) [Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O:Cr] — 15.4% Muscovite-1M [KAl₂(Si₃Al)O₁₀(OH)₂] — 15.3% Prehnite [Ca₂Al(Si₃Al)O₁₀(OH)₂] — 5.6% Anatase [TiO₂] — 0.1% Scapolite [(Na,Ca)₄[Al₃Si₉O₂₄]Cl] Phase abundance was determined by quantitative XRD analysis by the Diffraction, Mineralogy and Geochemistry Team, CSIRO Mineral Resources. ID 65651.
Reference	CSIRO Reflectance (2025) Reflectance spectra measured by C. Laukamp and co-authors, CSIRO Mineral Resources
Reflectance spectrum	Meionite reflectance spectrum, CSIRO Reflectance (2025) ⬇