Expert Answers in stone

ANSWER - The photos clearly show that the vein separation is a fissure, which naturally occurs in some stones. By definition of the American Geological Institute a fissure is an extensive crack, break, or fracture in…

ANSWER - Flagstone is a shape and not a specific type of stone.  It can be a sandstone, granite, slate or ? Regardless, if the stone is properly installed and structurally sound then you could install a…

ANSWER - I assume you have a natural stone hearth. Vinegar is an acid with a low pH. Some natural stones are more sensitive to acids than others. Acid sensitive stones can etch from being…

ANSWER - It sounds like you have what we call spalling and efflorescence on the granite slabs.   This is normally a symptom of having a moisture problem; meaning the stone is being subjected to excessive moisture…

ANSWER - I assume you have a class 1 sandstone which is the most absorbing and has the lower physical properties within the quartz geological classification. This stone is suitable for many applications, including back yard…

ANSWER - There are all types of glues, so what removes it just depends on the type of glue. Flagstone is a shape of a stone, not a geological classification of a stone. Some more…

ANSWER - The MIA (Marble Institute of America) has standards for tolerance of fabricating stone from one supplier or shipment. They have a category of Thin Stock (3/4” to 2”) thickness that is limited to…

ANSWER - Travertine stone naturally has open holes within it as it is a fresh water sedimentary stone where naturally water runs through it. Although sometimes people install this stone without filling those holes if…

ANSWER - Hairline cracks in the travertine could have developed for a number of reasons.  There could be cracks in the slab that have telegraphed through the stone, or there may be voids under the…

Answer - There isn't any easy solution to your need. You have already sealed the travertine so it now doesn't have much absorption to take a stain. If you happen to find a sealer with a…