Mineral sample 12 (ERSC 1P01)
Rotating view: SAMPLE A
Static images (click to enlarge):
Streak:
Some of the powder left on the streak plate (H=6.5) has been rubbed off on the piece of felt in the picture. You can click on the picture to expand it.
Hardness:
This sample does scratch Fluorite and it also does slightly scratch Apatite (but its a very faint scratch). This sample does not scratch Quartz.
Acid Test:
This sample does not react to 10% HCl
