Stone of the Month Archive

	Verde Ubatuba A medium- to coarse grained, olive-green granite (charnockite) of the Precambrian period with large quantities of quartz and some red garnets. USES: Ornamental Stone. LOCATION: Brazil (Ubatuba/Sao Paolo) SYNONYMS: Bahia Green, Emerald Green Granite, Granito Verde Ubatuba, Green Obatooba, Green Ubatuba, Labrador Green, Lincoln, Lincoln Gruen, Ooba Tooba, Ooba Tuba Granite, Ooba Toba, Tuba Granite, Uba Tuba, Uba-Tuba, Ubatuba, Ubatuba Gold, Ubatuba Green, Verde Amazonas, Verde Amazonia, Verde Bahia, Verde Minas, Verde Ubatuba Gold Bulk Density: 2690 - 2740 kg/m3 Bending Strength: 12.46 - 17.2 MPa Compression Breaking Load: 178.5 - 188.5 N/mm2 Water Absorption: 0.18 - 0.22% Interior Applications Only
	New Venetian Gold A medium grained, yellow-beige gneiss with lots of dark red garnets. This stone internationally may be nominated as a granite. For the US- and Chinese market this is correct according to ASTM C 119 resp. GB/T 17670. But in the area of application of the European Standard (EN) this stone must be nominated as gneiss because the EN 12440 demands a scientific terminology for the denomination of natural stones, determined with a petrografic examination according to EN 12407 and 4.2 of prEN 12670. In case of doubt please ask your supplier. USES: Ornamental stone. LOCATION: Brazil (Espirito Santo) SYNONYMS: Giallo Imperial, Gold Brasil, Gold Brazil, Juparana Light, New Venecian Gold, New Venetian Bulk Density: 2.676 kg/dm3 Compression Breaking Load: 95.5 N/mm2 Water Absorption: 0.32%
	Azul Cielo A medium- to coarse-grained, light- to medium blue calcite marble of the Precambrian period, Portuguese "azul cielo" = sky-blue. Used as ornamental stone, available since about 1987. QUARRY LOCATION: Argentina (El Condor quarry/La Falda/Sierras Grandes/Sierra de Cordoba/Cordoba) OTHER NAMES: Arabesce Sky Blue, Arabesque Sky Blue, Argentina Sky Blue Marble, Azul Argentina, Azul Celeste, Azur Celeste, Azur Cielo, Azzurro Cielo, Blue Argentino, Blue Celeste, Celeste, Celeste Arabescato, Celeste Argentina, Celeste Argentinia, Cielo Azur, Sky Blue Marble Bulk Density: 2.716 kg/dm3 Bending Strength: 37.28 N/mm2 Compression Breaking Load: 167.75 N/mm2 Water Absorption: 0.20%
	Masi Quartzite also known as Lapponia Verde From the north of Norway, this very special and unique material is only quarried 5-6 months during the summer. Total production 400-800 m3. In addition to blocks, this material can also be sold as unshaped ton stone, crushed in various sizes etc. The material is very nice to make special patterns such as book match & butterfly. The material is also nice to use outside for sculptures, garden decorations etc. Specific Gravity: 27,3 kN/m3 ASTMC 97-47 DIN 52102 Crushing Strength: 163 N/mm2 ASTMC 170-50 DIN 52105 Water Absorption % Weight: 0,09 %-wght ASTM C97-47 DIN 52103
	PP4 Black Granite by Gem Granites - www.gemgranites.com S.NO CHARACTERISTIC TESTED AS PER VALUES 2. Density ASTM: C 97-98 3095 kg/cum. 3. Compress. Strength ASTM: C 170-87 227.6 N/sq.mm.(Mpa) 4. Modulus of rupture* ASTM: C 880-89 15.3 N/sq.mm.(Mpa) 5. Water Absorption ASTM: C 97-98 0.08 Percent 6. Abrasion Resistance IS: 1237-1980 1.02 mm.   (*) Modulus of rupture is the same as bending strength or flexural strength

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