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Crystal System:
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-(Ca).

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Classification of Merrillite-(Ca)Hide

3 : (AB)3(XO4)2

Optical Data of Merrillite-(Ca)Hide

Uniaxial (-)
RI values:
nω = 1.323 - 1.623 nε = 1.620
Max Birefringence:
δ = 0.297
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of Merrillite-(Ca)Hide


Crystallography of Merrillite-(Ca)Hide

Crystal System:

Related Minerals - Dana Grouping (8th Ed.)Hide 3m : R3c 3m : R3c 3m : R3m 3m (3 2/m) : R3m 3m : R3c 3m : R3c

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-(Ca)Hide

Mineral and/or Locality  
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