TY  - JOUR
T1  - An Enquiry into the Original State and Properties of Spar, and Sparry Productous, Particularly, the Spars, or Crystals Found in the Cornish Mines, Called Cornish Diamonds. In a Letter to Emanuel Mendez da Costa, Esq; F. R. S. from the Rev. Mr. Wm. Borlace
JF  - Philosophical Transactions (1683-1775)
VL  - 46
SP  - 250
EP  - 277
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1749.0049
M3  - doi:10.1098/rstl.1749.0049
AU  - Borlace, W.
ER  -