dubdub

Found out all about ice.

The reference states that ice is one of the most common minerals on the planet. Interestingly however, it adds that there are no minerals with similar properties - it is unique.

Pure ice has an SG of 0.917 (well, I was close), a hardness of 1.5 (ie it will scratch talc), a vitreous lustre, no cleavage and its tenacity is rated as "brittle".

I'm now off to research SG's. As ice technically doesn't exist at standard temperatures and pressures, I'm wondering if STP is part of the definition after all.

google-eyed stales