1820.] " The Book of Precious Stones." 189 



a piece of linen, and to beat it till it is dissolved, and oozes like 

 milk through the linen. If dissolved talc is mixed with a little 

 resin and saftron, and used as ink, it makes a gold ink, and 

 without saliion, silver ink. 



Sect. 4. Of' the llaiiistone. — A soft stone, of about the size of 

 a large bird's egg, which is much celebrated among the Turks. 

 It is of three kinds : 1. The dust coloured with red and white 

 spots. 2. The dark-red. 3. The various coloured. Some per- 

 sons consider it as a production of a mine ; some as an animal 

 stone, which is said to be found in the stomachs of swine, or in 

 the nests of some large bird. The Turkomans affirm that they 

 can produce rain and snow with this stone. 



Sect. 5. Of the Eag/e Sto>ie. — If you shake it you hear it 

 rattle as if there were something in it ; and on breaking it, you 

 find nothmg in it. 



Sect. 6. TheJarakan (the'Jatiiidice Stone). — It is a stone with 

 xed and yellow spots, which, when it is rubbed, leaves a red 

 mark. It is so hard that it can only be bored through with the 

 diamond ; a little black stone which the swallows carry into 

 their nest to cure their young of the jaundice. 



Sect. 7. The Vinegar' Stone. — It attracts vinegar, but cannot 

 remain in it, as it always flies out when thrown into it. 



Sect. 8. J'he Oil Stone is set in flames when water is poured 

 over it, but it is extinguished with oil. 



Sect. 9. The .Jew's Stone. — A shining stone, which is produced 

 in the sea, and has three kinds : 1. The round. 2. That in the 

 shape of a nut. 3. The oval ; is often marked with black stripes^ 

 is hurtful to the stomach, but very useful to the bladder. 



Sect. 10. The Milk Stone, which, when rubbed, leaves a white 

 mark ; it is ash-coloured, and has a sweet taste. 



Sect. 11. The Mouse Stone, which has the smell of mice. 



Sect. 12. The Blood Stone, also Schactendsch, i. e. Lentil Stone, 

 — This last kind is used to polish the surface of the eye (deu 

 Spiegel des auges damit zu ghitten). 



Sect. 13. The Moon Stone, a stone with spots, which become 

 larger and smaller with the increase and wane of the moon. 



Sect. 14. The Colour Stone, which always reflects different 

 colours. 



Sect. 15. J'he Sleep Stone, which produces sleep when hung 

 over the bed. 



Sect. 16. The Stone Miskal, which is said to be thrown up 

 from the Mauri tuniau Sea. 



Sect. 17. The Marcasite, likeivisc called the Stone of Bright- 

 ness, is divided into several kinds : the gold marcasite is dug up 

 near Ispahan, and is called Ebrendsche ; it is used to polish 

 the spinellus : the silver marcasite comes from the frontierss 

 of Bedachschan ; the copper and iron marcasite is similar to 

 copper and iron. 



Sect. IS. 'I'he Magninn (Manganese?) which is used by the 

 glass manufacturer. It iii divided into that with little and iato 



