Pentahydroborite

  
Pentahydroborite with scattered small crystals of henmilite
  
Origin: Fuka Mine, Bicchu Town, Kawakama Co., Okayama Pref., Japan
Sample size: 5.4 x 4.2 x 2.8 cm (top/2nd row), 5.2 x 2.8 x 2.5 cm (3rd/bottom row)
 
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Origin: Oshima mine, Okayama - ken, Japan
Ex. Kidwell collection
Sample size: 5 x 3 x 2.5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra