Merrillite-(Y)
A material that is NOT an approved mineral species
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Formula:
Ca16Y2Mg2(PO4)14
Crystal System:
Trigonal
Name:
Named after George Perkins Merrill (1854-1929), meteorite specialist at U. S. National Museum, Smithsonian Institution, Washington, D.C. USA.
This page provides mineralogical data about Merrillite-(Y).
Unique Identifiers
Mindat ID:
7177
Long-form identifier:
mindat:1:1:7177:8
GUID
(UUID V4):
(UUID V4):
98141aa1-cf02-4c42-b3f7-9b5ee5f85ae9
Optical Data of Merrillite-(Y)
Type:
Uniaxial (-)
RI values:
nω = 1.623 nε = 1.620
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemical Properties of Merrillite-(Y)
Formula:
Ca16Y2Mg2(PO4)14
Crystallography of Merrillite-(Y)
Crystal System:
Trigonal
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Merrillite-(Y)
mindat.org URL:
https://www.mindat.org/min-7177.html
Please feel free to link to this page.
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Mineral Dealers: