SANDSTONE

Miscellaneous

Family: None
Region: None
Mined At: Unspecified
Raw Mineral: Yes
Generic: No

Notes

(Richard Willis)

Sedimentary rock, a conglomerate principally of quartz and of cemented silica, calcium carbonate, iron oxide, and (marl) clay; usually consisting of compressed “sand” plus, if near a sea, as usually it is (or what was once a sea), salts and phosphors in their original forms such as the granular remains of the shells, bones, and so forth of sea-living animals. Common to islands which originated as sea beds raised above sea level are sandstone-looking rock earths but which are instead calcium carbon
ate formations even though often with a good deal of sand built-in. see calcareous rocks
Sandstone composition is highly refractory and can be used in kiln construction if well insulated from humidity (suseptible to trapped vapor cracking) and direct flame (given to dusting). Milled, it affords a “quartz sand” for clays and glazes.

Authors

Richard Willis (Owner)

Pictures

Sandstone Carved

XML

<?xml version="1.0" encoding="UTF-8"?>
<material name="SANDSTONE" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<notes>
<note>Sedimentary rock, a conglomerate principally of quartz and of cemented silica, calcium carbonate, iron oxide, and (marl) clay; usually consisting of compressed &#147;sand&#148; plus, if near a sea, as usually it is (or what was once a sea), salts and phosphors in their original forms such as the granular remains of the shells, bones, and so forth of sea-living animals. Common to islands which originated as sea beds raised above sea level are sandstone-looking rock earths but which are instead calcium carbon
ate formations even though often with a good deal of sand built-in. see calcareous rocks
Sandstone composition is highly refractory and can be used in kiln construction if well insulated from humidity (suseptible to trapped vapor cracking) and direct flame (given to dusting). Milled, it affords a &#147;quartz sand&#148; for clays and glazes.

</note>
</notes>
<pictures>
<picture description="Sandstone Carved" filename="sandstone_carved.jpg"/>
</pictures>
</material>

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