80 



Case 68. metals, and many specimens will be found among the gold and 

 silver ores. Crystals of mispickel are loy no means rare; they 

 are characteristic, and easily recognised. 



Crystal of arsenical pyrites. 

 5194, Mount Galena, Emmaville : crystals. 



1429, "Windeyer, and 1158, Tambaroora : volcanic tuff witb 

 crystals of arsenical pyrites. 



60, Nambucca : crystals. 



Arsenic minerals from other countries, including the sulphides, 

 realgar and orpiment, which are not found in Xew South Wales, 

 are exhibited in case 89 (see page 121). 



Native anti- 

 mony. 



Cervantite. 



ANTIMONY. 



Ores of antimony are not of uncommon occurrence in New 

 South "Wales, but remunerative wording has not hitherto been 

 achieved to any extent. Antimony is used in the' preparation of 

 certain alloys w'ith lead used for type metal, and other purposes. 



A tin-white, crystalline mineral of not very common occur- 

 rence. Specimens are exhibited from the Wentw^orth Mine, 

 Luekuow ; the Consols Mine, Broken Hill ; the Bellinger Eiver; 

 Deep Creek, Nambucca ; Baker's Creek, Hillgrove ; and Buk- 

 kulla, Inverell. At the Wentworth Mine the native antimony is 

 embedded in calcite, forming pretty mineral specimens ; further 

 examples of this occurrence will be found with the gold exhibit 

 in case 52. In the Bukkulla specimen (9405) the native antimony 

 is embedded in a nodule of antimonite. 



Earthy hydrous oxide of antimony. A yellowish substance, 

 frequently found as an oxidation product encrusting antimonite. 



