You Searched For: DIMCO-GRAY CO
148 results were found
Dolomite
/www.boreal.com/images/Dolomite.pdf
+ward’ssciencewardsci.com800-962-2660 Dolomite CaMg (CO₃)₂ Crystallography: Hexagonal-R; 3. Crystals usually unit rhombohedron or a steep rhombohedron and base; faces often curved. Twinning common. Also coarse granular cleavable masses to fine-gra...
Gabbro
/www.boreal.com/images/Gabbro.pdf
ward’s sciencewardsci.com800-962-2660 Gabbro Type: Igneous; intrusive. Texture/Appearance: Granular; medium-grained. Color: Dark medium gray green-gray or brownish-gray. Mineralogy/Chemistry: Mafic; with essential plagioclase (50%-75%) and pyroxen...
Chalcocite
/www.boreal.com/images/Chalcocite.pdf
+ward’ssciencewardsci.com800-962-2660 Chalcocite Cu2S Crystallography: Orthorhombic; 2/m2/m2/m (below 105°C); above 105°C hexagonal. Crystals uncommon usually small and tabular with hexagonal outline. More often fine-grained and massive. Physical ...
Anorthosite
/www.boreal.com/images/Anorthosite.pdf
+ward’ssciencewardsci.com800-962-2660 Anorthosite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained equigranular with elongated tabular plagioclase. Color: Dark gray to bluish-gray sometimes lighter shades. Mineralogy/Chemistr...
Anothoclase
/www.boreal.com/images/Anothoclase.pdf
+ward’ssciencewardsci.com800-962-2660 Anorthoclase (Na K) AlSi3 O8 (Feldspar Group) Crystallography: Triclinic; 1. Twinning common. Physical Properties: Cleavage: Principle cleavage at right angles or very close to 90°. Fracture uneven; brittle. H...
Diorite
/www.boreal.com/images/Diorite.pdf
+ward’ssciencewardsci.com800-962-2660 Diorite Type: Igneous; intrusive. Texture/Appearance: Massive generally medium-to-coarse grained; subhedral equigranular to por- phyritic. Differences in color and grain size are common with orbicular structur...
Phyllite
/www.boreal.com/images/Phyllite.pdf
+ward’ssciencewardsci.com800-962-2660 Phyllite Type: Metamorphic regional. Texture/Appearance: Very fine-grained showing strong schistosity; commonly displaying crenulated (wavy) cleavage. Generally coarser than slate. Cleavage surface exhibits a ...
Peridotite
/www.boreal.com/images/Peridotite.pdf
wardsci.com 800-962-2660 Peridotite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained; massive granular sometimes porphyritic. Color: Medium gray to greenish-gray. Mineralogy/Chemistry: Ultramafic with mafic minerals greater t...
Galena
/www.boreal.com/images/Galena.pdf
+ward’ssciencewardsci.com800-962-2660 Galena Pb S Crystallography: Isometric; 4/m32/m. Commonly cubic sometimes truncated by the octahedron; rarely decahedral and trisoctahedral. Also massive granular. Physical Properties: Cleavage: {001} perfect....
Montmorillonite
/www.boreal.com/images/Montmorillonite.pdf
wardsci.com 800-962-2660 Montmorillonite (NaCa)0.3 (Al Mg)2 Si4 O10 (OH)2 • nH2O Crystallography: Monoclinic. Always in earthy masses; crystals not distinguishable. Physical Properties: Cleavage: None apparent; usually unctuous and plastic. Hardne...
Graywacke
/www.boreal.com/images/Graywacke.pdf
wardsci.com 800-962-2660 Graywacke Type: Sedimentary; clastic. Texture/Appearance: Generally coarse-grained with angular to sub-angular poorly sorted grains in a clayey matrix. May show graded bedding; fossils are rare. Color: Gray to greenish-gra...
Siltstone
/www.boreal.com/images/Siltstone.pdf
+ward’ssciencewardsci.com800-962-2660 Siltstone Type: Sedimentary; clastic. Texture/Appearance: Silt-sized (<1/16 mm) to very fine sand-sized particles; massive not laminated (no bedding planes) may exhibit significant clay or sand. Color: Tan gra...
Syenite
/www.boreal.com/images/Syenite.pdf
ward’s sciencewardsci.com800-962-2660 Syenite Type: Igneous; intrusive. Texture/Appearance: Massive; medium to coarse-grained often changing to pegmatitic. Appears speckled with dark patches sometimes porphyritic; may show flowage. Color: Pale pin...
Pumice
/www.boreal.com/images/Pumice.pdf
+ward’ssciencewardsci.com800-962-2660 Pumice Type: Igneous; extrusive (pyroclastic). Texture/Appearance: Glassy vesicular foamy frothy. Very light-weight with numerous vacuoles (some varieties float in water). A natural glass froth in which the vo...
Nepheline
/www.boreal.com/images/Nepheline.pdf
+ward’ssciencewardsci.com800-962-2660 Nepheline (NaK) AlSiO4 Crystallography: Hexagonal; 6. Rarely in small prismatic crystals with base; more commonly massive compact and in embedded grains. Physical Properties: Cleavage: {1010} distinct. Fractur...
Dolostone
/www.boreal.com/images/Dolostone.pdf
wardsci.com 800-962-2660 Dolostone Type: Sedimentary chemical. Texture/Appearance: Fine to coarsely crystalline grain size; sugary (saccharoidal). May contain various fossil relicts molds and casts. Stratification absent or irregular. Color: Light...
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