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2. Gems of Sri Lanka - Wikipedia

   en.wikipedia.org/wiki/Gems_of_Sri_Lanka

   Sri Lanka, geologically speaking is an extremely old country. Ninety percent of the rocks of the island are of Precambrian age, 560 million to 2,400 million years ago. The gems form in sedimentary residual gem deposits, eluvial deposits, metamorphic deposits, skarn and calcium-rich rocks. Nearly all the gem formations in Sri Lanka are located ...

3. Mineral cosmetics - Wikipedia

   en.wikipedia.org/wiki/Mineral_cosmetics

   Mineral cosmetics are forms of make-up that are composed of compressed minerals. [1] Most of these products are pure mineral, and do not contain any oil or wax additives . [ 2 ] Some kinds of minerals can have beneficial health results for the skin, combining health effects with cosmetic results. [ 1 ]

4. Sandstone - Wikipedia

   en.wikipedia.org/wiki/Sandstone

   Framework grains are sand-sized (0.0625-to-2-millimeter (0.00246 to 0.07874 in) diameter) detrital fragments that make up the bulk of a sandstone. [16] [17] Most framework grains are composed of quartz or feldspar, which are the common minerals most resistant to weathering processes at the Earth's surface, as seen in the Goldich dissolution ...

5. Sumathi Best Teledrama Makeup Artist Award - Wikipedia

   en.wikipedia.org/wiki/Sumathi_Best_Teledrama...

   The Sumathi Best Teledrama Makeup Artist Award is presented annually in Sri Lanka by the Sumathi Group for the best Sri Lankan makeup artist in television. [1] The award was first given in 1995. Following is a list of the winners since then. [2]

6. Stone sealer - Wikipedia

   en.wikipedia.org/wiki/Stone_sealer

   The porosity and makeup of most stone does, however, leave it prone to certain types of damage if unsealed. Staining is the most common form of damage. It is the result of oils or other liquids penetrating deeply into the capillary channels and depositing material that is effectively impossible to remove without destroying the stone.

7. Graphite mining in Sri Lanka - Wikipedia

   en.wikipedia.org/wiki/Graphite_mining_in_Sri_Lanka

   Graphite mining in Sri Lanka has occurred since the Dutch occupation of the country. It is the only country in the world to produce the purest form of graphite, vein graphite (also known as lump graphite), in commercial quantities, currently accounts for less than 1% of the world graphite production.