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CHAPTER 4. 
Crystalizations of Caicareous Spar. 
Tue number and varieties of form, which the 
Crystals of .our_ rocks assume, are very great, and 
much might be said on the subject, were I dis- 
posed to go into - detail;: but, without some repre- 
sentation or figure to assist, I fear, any description 
of them, would be far from satisfactory, and, to. the 
generality of my readers, would convey but a poor 
and inadequate idea of their regularity and beauty, 
‘I should have been glad to have given delineations 
of the most remarkable, had I time and leisure for 
the purpose, but which is not the case at present. 
They are, however, a most striking class, and can- 
