Geosystems Rocks and Minerals by Isabella Gagnon https://padlet.com/1580939/c86z20sz6ofu en-us 2017-10-30 14:50:38 UTC 2024-06-02 18:44:47 UTC hello@padlet.com Quartz 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201751826 Color: Can be a range of the colors below (mostly glassy looking)
Streak: white
Luster: non-metallic
Hardness: harder than a glass plate ]]> 2017-10-30 14:52:23 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201751826 Feldspar 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201753874 Color: Reddish white
Streak: white
Luster: non-metallic
Hardness: harder than glass plate]]> 2017-10-30 14:55:32 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201753874 Calcite 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201756038 Color: Clear to grey
Streak: white
Luster: nonmetallic
Hardness: harder than a fingernail]]> 2017-10-30 14:58:58 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201756038 Mica 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201758774 Color: Dark brown to clear
Streak: whitish or gray
Luster: non-metallic
Hardness: harder than a fingernail]]> 2017-10-30 15:03:30 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201758774 Pyrite 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201760198 color: yellowish white with sparkles
streak: black
Luster: non metallic
hardness: harder than nail, harder than glass]]> 2017-10-30 15:05:56 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201760198 Magnetite 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201760551 color: black
streak: dark brown
Luster: metallic
hardness: harder than nail]]> 2017-10-30 15:06:31 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201760551 Hematite 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201761009 color: Brownish red
streak: brownish red
Luster: either
hardness: harder than penny]]> 2017-10-30 15:07:16 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201761009 Galena 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201761338 color: shiny black
streak: black
Luster: metallic
hardness: harder than fingernail, softer than penny]]> 2017-10-30 15:07:43 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201761338 Graphite 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201762119 color: grayish silver
streak: black
Luster: metallic
hardness: softer than fingernail]]> 2017-10-30 15:08:51 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201762119 Sulfur 1580939 https://padlet.com/1580939/c86z20sz6ofu/wish/201762488 color: Yellow
streak: light yellow
Luster: non-metallic
hardness: softer than fingernail]]> 2017-10-30 15:09:28 UTC https://padlet.com/1580939/c86z20sz6ofu/wish/201762488