FAMILIAR INTRODUCTION 



TO 



CRYSTALLOGRAPHY; 



INCLUDING AN EXPLANATION OF THE 



PRINCIPLE AND USE OF THE GONIOMETER. 



an 



CONTAINING 



THE MATHEMATICAL RELATIONS OF CRYSTALS J 

 RULES FOR DRAWING THEIR FIGURES; 



AND AN ALPHABETICAL ARRANGEMENT OF MINERALS, 

 THEIR SYNONYMES, AND PRIMARY FORMS. 



ILLUSTRATED BY NEARLY 400 ENGRAVINGS ON WOOD. 



By HENRY JAMES BROOKE, 



F. R. S. F. L. S. &C. 



LONDON : 



PRINTED & PUBLISHED BY W.PHILLIPS, GEORGE YARD, LOMBARD STREET; 



SOLD ALSO BY W. & C. TAIT, EDINGBURGH J 



AND R. MILLIKIN, DUBLIN. 



1823. 



