Slate: Seven Surprising Facts!

Many people consider slate for use in their buildinggets packed very carefully so that it will not
or remodeling projects. It is an attractive andbreak during shipment to its final destination.
highly desirable material for many applications. But6. Each crate of slate is labeled with important
you may be surprised to learn these seveninformation including the type of slate in the crate,
surprising facts about slate.the origin of each particular batch, any particular
1. Slate is a type of rock formed when shalecharacteristics, and the results of the tests
(made of clay minerals) is compressedconducted. Color will be noted and this information
extensively and exposed to very hotcan be used when large jobs require large batches
temperatures. This causes the clay minerals toof matching slate rock.
turn back into mica minerals as the moisture is7. Each batch is given an identifying number so
extracted and hardens the rock. It turns intothat it can be tracked and matched with similar
mudstone and then, as it hardens and compactsshipments.
further, it becomes slate, a stone that is shapedSlate is a beautiful natural product that is incredibly
directionally and begins to break into long flat evenversatile and is used in many areas of
pieces.construction and decorating in homes and even
2. This entire process (to create slate) took placecommercial buildings. It comes in a wide variety of
over millions of years and, in fact, began moreamazing color variations and patterns that are
than 500 millions of years ago.created by the unique combinations of minerals
3. Most of the world's natural slate-in fact 90such as chlorite, quartz, and mica that combine to
percent-comes from the northern part of Spain.create fantastic colors and color variations. The
Areas of geology are surveyed, sampled, andvisual appeal of slate makes it very popular for
tested for the presence of slate, and then themany different applications.
slate is evaluated for quality and purity before it isSlate rock is highly durable and is used frequently
quarried or mined.for flooring (indoors and outdoors), roofing, and
4. Typically, slate is quarried from the surface, soeven furnishings. It has beautiful aesthetic appeal
the topsoil and unusable rock above the slateand is a highly desirable material for high-end
must be removed from the area. Next, minersprojects. In addition, it is easy to work with and
use diamond beaded steel cables to saw largeinstall and it is also extremely practical.
blocks of slate from the slate deposit. These hugeEven when wet, slate is slip resistant, so it is ideal
blocks of slate rock are moved to a productionfor use in entryways, near pools or on patios, and
center. There they are sorted and then getin kitchens or bathrooms where water could be
sawed into smaller blocks of slate along thesplashed or spilled. Slate is durable, decorative, and
natural cleavage lines.definitely an asset to any project. It is popular to
5. Skilled craftsmen then further split and cut theinclude slate in upscale remodeling and building
slate rock to specific sizes and thicknesses basedjobs-from homes to hotels and resorts and even
on its intended use. The slate is categorizedoffice buildings.
according to grade. It is then inspected. Finally, it