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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).


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Unique IdentifiersHide

Mindat ID:
7177
Long-form identifier:
mindat:1:1:7177:8
GUID
(UUID V4):
98141aa1-cf02-4c42-b3f7-9b5ee5f85ae9

Optical Data of Merrillite-(Y)Hide

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.
Surface Relief:
Moderate

Chemical Properties of Merrillite-(Y)Hide

Formula:
Ca16Y2Mg2(PO4)14

Crystallography of Merrillite-(Y)Hide

Crystal System:
Trigonal

Other InformationHide

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)Hide

 
Mineral and/or Locality  
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