Other Gemstones Newsgroup

Location: PAPUA NEW GUINEA, LAE MOROBE

Quartz Gemstones.
1.) Quartz -Agate Green weight 156.0kg ,Hardness - 7 on the Moh's scale and a Vitreous luster , Specific Gravity (SG) 2.6G/m3 2.) Sandstone weight 5.814 Grms 3.) Double Vision Glass Crystaline quartz silica glass consist of nearly Pure silica (98% SIO2),REFLECTIVE INDEX OF 1.46 ,DENSITY OF 4 .21 and harness of 6 on Moh's scale also have very small amount of fire dispersion at 0.10 for the B-G interval 4.) Chert/flint harness 7 on the Moh's Scale weight i.e. 2 x specimen weight 740.5grms + 700grms 5.)Varity of quartz- 9 x Specimen silica glass group 6.)Quartz -sandstone 3 x specimen 7.)Basalt stained -3 x Specimens 3kg 8.)Mudstone 9.)Siltstone (stained & unstained ) 200grms