20 MINERALOGY. 



GREFN QUARTZ. 



Green quartz, or prase, is sometimes found in the form 

 of pebbles in our mountain streams, but it is not very 

 abundant. 



MILKY QUARTZ. 



Milky quartz is occasionally found in the Mergui awd 

 Tavoy provinces. 



AMETHYST. 



Pebbles of amethyst, or violet quartz, are brought fr< >ra 

 the rivers in Burmah, where they are regarded as a varie- 

 ty of the sapphire; the Burmese name signifying " Egg- 

 plant sapphire," or, as they are sometimes called, " Egg- 

 plant flower stone," from the blue flower of the egg-plant- 



YELLOW QUARTZ. 



I have met with dull specimens of yellow quartz, or 

 citrine, on the Tenasserim ; but it is not common. 



GRANULAR QUARTZ. 



The laterite often incloses fragments of a granular 

 quartz rock, which crumbles to pieces in the lingers into 

 a fine quartz sand. 



cat's eye. 



The cat's eye, a gem, which gives out a pearly reflec- 

 tion resembling the eye of a cat, is often seen set in rings., 

 and is brought from Burmah. Comstock says: "It is in 

 great request as a gem, and bears a high price ;" but 

 those seen in Maulmain market are not much valtfed. A 

 small one may be purchased for two rupees, and one of 

 ordinary size for five ; while ten rupees is the highest 

 price given for the best. 



FLINT. 



Flint does not appear to be found either in the Provin- 



