From the alloy containing 25% of silicon, the excess of magnesium is removed by a mixture of ethyl iodide and ether and a residue consisting of slate-blue octahedral crystals of magnesium silicide is left.
Nitrate of silver is eliminated from the system very slowly and the objection to its employment continuously as a drug is that it is deposited in the tissues causing argyria, chronic silver poisoning, of which the most prominent symptom is dark slate-blue colour of the lips, cheeks, gums and later of the skin.
Eyes dark hazel or black Blue Deep or medium slate blue carried well down hair shaft with slate blue undercolour.
Apply slate blue shadow close to your eyelids and blend it with a pale gray shadow to fade towards your brow bone.
This design of deep navy on slate blue may not be eye-popping, but it's filled with detail.
