https://padlet.com/jkanjirath/igiqzho4stwb en-us 2017-10-30 16:37:42 UTC 2017-10-31 03:24:49 UTC hello@padlet.com jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201814895 Hardness: 7
Color: varying
Luster: glassy
Streak: colorless]]> 2017-10-30 16:39:07 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201814895 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201816177 Hardness: 6-6.5
Color: Usually white, pink, gray, brown
Luster: Glassy/pearly
Streak: White]]> 2017-10-30 16:41:20 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201816177 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201818254 Hardness: 3
Color: usually white but also colorless
Luster: glassy
Streak: white]]> 2017-10-30 16:44:43 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201818254 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201819868 Hardness: 2.5-3
Color: black, brown, silver
Luster: pearly to glassy
Streak: white]]> 2017-10-30 16:47:28 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201819868 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201822395 Hardness: 6-6.5
Color: brass yellow
Luster: metallic
Streak: greenish black to brownish black]]> 2017-10-30 16:51:32 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201822395 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201823373 Hardness: 5-6.5
Color: black to silvery gray
Luster: metallic to submetallic
Streak: black]]> 2017-10-30 16:53:21 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201823373 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201824180 Hardness: 5-6.5
Color: black to steel gray to silver; red to reddish brown
Luster: metallic, submetallic, earthy
Streak: red to reddish brown]]> 2017-10-30 16:54:43 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201824180 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201825492 Hardness: 2.5+
Color: silver
Luster: metallic on fresh surfaces, tarnishes dull
Streak: lead gray to black]]> 2017-10-30 16:56:55 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201825492 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201826797 Hardness: 1-2
Color: steel gray to black
Luster: metallic
Streak: black]]> 2017-10-30 16:58:59 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201826797 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201828055 Hardness: 1.5-2.5
Color: yellow
Luster: greasy
Streak: yellow]]> 2017-10-30 17:01:15 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201828055 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201996586 Intrusive rock with vesicular texture formed through the rapid cooling of magma. Rhyolitic composition.]]> 2017-10-31 02:59:28 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201996586 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997163 Extrusive rock with smooth texture formed through the rapid cooling of lava with a composition similar to rhyolite and granite.]]> 2017-10-31 03:04:55 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997163 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997487 Intrusive rock formed through slow cooling of magma, composed mainly of quartz and feldspar with small amounts of mica, amphiboles, and other minerals. Dark grains visible throughout the rock.]]> 2017-10-31 03:07:15 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997487 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997852 Dark colored intrusive rock with vesicular texture. Composition of basalt.]]> 2017-10-31 03:10:30 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201997852 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998546 Coarse, dark, intrusive rock. Usually black or green in color, composed mainly of plagioclase and augite. ]]> 2017-10-31 03:16:21 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998546 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998722 Dark, fine-grained, extrusive rock composed of plagioclase and pyroxene. Underlies more of Earth's surface than any other rock type.]]> 2017-10-31 03:17:52 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998722 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998957 Extrusive rock, usually pink or gray in color with extremely fine grains. Composed of silica.]]> 2017-10-31 03:20:04 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201998957 jkanjirath https://padlet.com/jkanjirath/igiqzho4stwb/wish/201999256 Fine grained, extrusive igneous rock that is usually light to dark gray in color. Rich in plagioclase feldspar minerals.]]> 2017-10-31 03:23:10 UTC https://padlet.com/jkanjirath/igiqzho4stwb/wish/201999256