Siliciclastic stone is a clastic, noncarbonate, sedimentary stone that is almost exclusively silica-bearing and exists as either a form of quartz or, another silicate mineral. In addition, hardened clay is also a sedimentary stone but, it is formed from organic materials such as plant and animal matter and thus, it is much softer than Siliciclastic However, when silicon sediment is suspended in a clay matrix and then naturally hardened over thousands of years, it forms an excellent whetstone material; although, it is somewhat softer than Novaculite. Thus, because the geology of Japan once held large deposits of this type of stone it has been used for hundreds of years for sharpening tools, knives, and swords. However, unlike Novaculite, Belgian Blue, and Coticule, both natural and synthetic Japanese whetstones use water for lubrication and thus, they are commonly known as “Japanese Water Stones” because this type of stone is very porous. Thus, natural Japanese Water Stones must be soaked in water for up to twenty-four hours prior to use whereas, synthetic Japanese Water Stones can be soaked for only a few moments.
You will also need at least one finer stone. Once the shape of an edge is established, successively finer grits are used to refine the edge improving the quality of the cut it delivers. A dull edge will not cut well and should be shaped with a coarse stone. An edge sharpened on a coarse stone will cut better than a dull one, but still won’t be ideal and should be improved with a finer stone. As you progress through finer stones, the cutting edge will continue to improve. How many and how fine these stones need to be varies depending on how fine an edge you require.
Cost – While you can get a perfectly serviceable sharpening stick or stone sharpener for short money and some very high-quality tabletop manual 2 and 3-stage sharpeners for less than $50, high-quality mechanical systems will often run you $200 or even more. While that’s not so much money it’s likely to impact the quality of your life it is a lot to pay to keep a decent edge on your knives. While how much you ultimately pay for a sharpener is entirely up to you, you may want to consider your commitment to cooking and how often you are actually liable to use the device. If this is your first sharpener you might also want to consider learning how to sharpen a blade using a classic stick or stone sharpener first, before deciding if moving up to a mechanical sharpener is the right thing for you.
Sharpening stones have been around since the dawn of civilization for a very good reason: they work. Yes, they’re more labor intensive than most electric sharpeners but they also allow you an unprecedented level of control. Once you get used to something like the Fallkniven DC3 Diamond/Ceramic Whetstone Sharpener you may never take out your electric sharpener again.
A: Like cars, knife sharpeners run the gamut from basic to luxury and like cars the price can vary from extremely affordable to more than some people might want to spend. You can get a high quality sharpener that will put your knives through a 2 or 3-stage process which will result in an incredibly sharp edge for less than $20. Or you can buy a mechanical sharpener that will produce a virtually flawless edge for $200+.
This three stone package is a good place to look if a larger surface area in oilstones is what you’re after. The 11 1/2" long by 2 1/2" wide Coarse Crystolon, Medium India and Soft Arkansas stones provide more work surface than the smaller oil stones giving flexibility to sharpen knives and many other tools as well. The plastic housing retains the oil, keeping the stones bathed and ready to go.
Therefore, the first step to choosing a whetstone is to determine your intended purpose and then choose your whetstone accordingly. For instance, when sharpening tools that do not require a fine edge, you should choose a relatively soft, coarse, stone such as a Norton Crystolon water stone. However, for sharpening tools that do require a fine edge, a somewhat harder Norton India oil stone would be a good choice. But, for sharpening hunting knives where an exceptionally fine edge is required, a Novaculite or Coticule oil stone would be the best but, most expensive, choice. So, the process of choosing the correct whetstone for any given purpose is to first determine how fast you would like for the stone to cut and how fine an edge you need, and then choose either a soft, coarse, stone or, a hard, fine, stone of the appropriate type and grit.
Once you’ve decided to start sharpening your kitchen knives with a sharpening stone, you’ll need to take the necessary steps to actually get going. These steps include finding and buying the best sharpening stone for use at home, learning the basic technique involved in doing the sharpening, and then practicing enough times to get it right. (For the sake of the knives, we don’t recommend using your best kitchen knives for practice!)