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GEOREF RECORD
Additional data on petarasite from Mont St. Hilaire, Quebec
Guy Perrault, George Y. Chao and T. T. Chen
Additional data on petarasite from Mont St. Hilaire, Quebec
The Canadian Mineralogist (August 1981) 19, Part 3: 411-413
Additional data on petarasite from Mont St. Hilaire, Quebec
The Canadian Mineralogist (August 1981) 19, Part 3: 411-413
Index Terms/Descriptors
Latitude & Longitude
Abstract
Additional specimens from the type locality were studied. Morphological measurements show a strong C2/m pseudosymmetry. Electron microprobe analysis gave SiO (sub 2) 42.1, TiO (sub 2) n.d., ZrO (sub 2) 30.0, CaO 0.49, Na (sub 2) O 17.4, K (sub 2) O 0.04, H (sub 2) O (by weight loss at 1100 degrees C) 5.91, Cl 2.5, less O = Cl 0.56, = 97.88. Optical data are alpha 1.595, beta 1.600, gamma 1.631, 2V (sub gamma ) 43 degrees . The optic angle, Cl content, and colour (brown) all differ from those for the earlier-studied material.
ISSN: 0008-4476
EISSN: 1499-1276
Coden: CAMIA6
Serial Title: The Canadian Mineralogist
Serial Volume: 19, Part 3
Title: Additional data on petarasite from Mont St. Hilaire, Quebec
Affiliation: Ec. Polytech., Dep. Genie Miner.,
Montreal, QC,
Canada
Pages: 411-413
Published: 198108
Text Language: English
Summary Language: French
Publisher: Mineralogical Association of Canada,
Ottawa, ON,
Canada
References: 2
Accession Number: 1982-049198
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables, 1 plate
N45°00'00" - N63°00'00", W79°00'00" - W57°00'00"
Secondary Affiliation: Carleton Univ.,
CAN,
Canada
Country of Publication: Canada
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1982
