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Merrillite-(Y)

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Formula:
Ca
 
16
Y
 
2
Mg
 
2
(PO
 
4
)
 
14
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).

Classification of Merrillite-(Y)

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Crystallography of Merrillite-(Y)

Crystal System:Trigonal

Optical Data of Merrillite-(Y)

Type:Uniaxial (-)
RI values: nω = 1.623 nε = 1.620
Maximum Birefringence:δ = 0.003

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Merrillite-(Y)

Formula:
Ca
 
16
Y
 
2
Mg
 
2
(PO
 
4
)
 
14
Essential elements:Ca, Mg, O, P, Y
All elements listed in formula:Ca, Mg, O, P, Y

Other Information

Health Warning: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)

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    • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
  • Search for Merrillite-(Y) from all mineral dealers at minfind.com
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for minerals at Heliodor
  • Rare and Unusual minerals at Mineralogical Research Company
  • Fabre Minerals - search for Merrillite-(Y) specimens
  • The Arkenstone - Fine Minerals
  • Search for - Merrillite-(Y) - on e-Rocks Mineral Sales & Auctions
  • Wilensky Fine Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Visit the Pueblo Gem and Mineral show, Tucson 2012
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 25th Aug 2011 12:18:37
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