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Heliophyllite
A synonym of Ecdemite
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Formula:
Pb6As3+2O7Cl4
Lustre:
Vitreous, Greasy
Name:
From the Greek ήλιος for "sun" and φύλλον for "leaf", in allusion to the colour and the foliated habit.
Synonym:
A synonym of Ecdemite
Discredited by IMA in 2019. Identical to ecdemite, Pb6As2O7Cl4.
Unique Identifiers
Mindat ID:
1850 (as Heliophyllite)
1363 (as Ecdemite)
1363 (as Ecdemite)
Long-form identifier:
mindat:1:1:1850:6 (as Heliophyllite)
mindat:1:1:1363:1 (as Ecdemite)
mindat:1:1:1363:1 (as Ecdemite)
Internet Links for Heliophyllite
mindat.org URL:
https://www.mindat.org/min-1850.html
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Please feel free to link to this page.
References for Heliophyllite
Reference List:
Hamberg, Axel (1889) Mineralogische Studien. 6 Optische Anomalien des Ekdemit (Heliophyllit) von Harstigen. Geologiska Föreningen i Stockholm Förhandlingar, 11 (4) 229-237 doi:10.1080/11035898909444257