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I did a little online checking and found this on bluestone but couldnt find any comparable info on pavers. I think pavers are hard on the surface but not that hard underneath. Ive never actually checked but my gut feeling is bluestone will take longer and wear your blade more than pavers
Bluestone Information
Bluestone is not a technical geological term. It is a commercial trade term, which has been used to describe a variety of sandstone, that usually is split and used as stepping stone outdoor paving for walks and patios, etc. (Flagstone).
Geologically . . . Bluestone is a fine-grained arkosic sandstone, also geologically referred to as a feldspathic sandstone.
This stone has been traditionally used for veneers, as a flagstone for paving and as a rough building stone. However this stone is being used more in other settings, counters, etc.
Group Sedimentary, siliceous
Composition Quartz and containing at least 25%, and as much as a third of, the feldspar mineral group. The matrix may be of quartz, calcitic or ferruginous cementing minerals with other accessory minerals.
Hardness Hard (Moh's Scale 6)
Porosity 0.4 - 6.6
Absorption 0.1 - 2.3
Colors The full color range consists of varying pastel shades of steel blues, mixed grays and light grays, together with buffs, pheasant, brown, and rusty variations. As virtually each stone is unique in its color, there is a very subtle change from stone to stone when set in a terrace or any type of flooring application. This creates the pastel effect which is so popular with this material.
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