Minerals by RyLee Shelton-Brand https://padlet.com/261917/8ei34q7848lh Rylee Shelton en-us 2018-03-19 14:45:36 UTC 2018-03-21 15:07:42 UTC hello@padlet.com A Rock 261917 https://padlet.com/261917/8ei34q7848lh/wish/243539513 A rock is a naturally occurring solid mixture of one or more minerals and organic matter.]]> 2018-03-19 14:48:57 UTC https://padlet.com/261917/8ei34q7848lh/wish/243539513 A Mineral 261917 https://padlet.com/261917/8ei34q7848lh/wish/243540189 A mineral is a naturally formed, inorganic solid that has a definite crystalline structure.]]> 2018-03-19 14:49:51 UTC https://padlet.com/261917/8ei34q7848lh/wish/243540189 Inorganic 261917 https://padlet.com/261917/8ei34q7848lh/wish/243544409 Not made by a thing that was once living]]> 2018-03-19 14:55:50 UTC https://padlet.com/261917/8ei34q7848lh/wish/243544409 Questions to ask if it is a Mineral: 261917 https://padlet.com/261917/8ei34q7848lh/wish/243546109 Is it made from a once living thing? Is it solid? Is it formed naturally on earth? Does it have a crystal structure? ]]> 2018-03-19 14:58:03 UTC https://padlet.com/261917/8ei34q7848lh/wish/243546109 Elements - pure substance that cannot be broken down into simpler substances 261917 https://padlet.com/261917/8ei34q7848lh/wish/243548081 2018-03-19 15:00:36 UTC https://padlet.com/261917/8ei34q7848lh/wish/243548081 Atom - the smallest part of an element that has all of the properties of that element 261917 https://padlet.com/261917/8ei34q7848lh/wish/243548453 2018-03-19 15:01:09 UTC https://padlet.com/261917/8ei34q7848lh/wish/243548453 Compound - Substance made of two or more elements that have been chemically joined in a set ratio 261917 https://padlet.com/261917/8ei34q7848lh/wish/243548870 2018-03-19 15:01:47 UTC https://padlet.com/261917/8ei34q7848lh/wish/243548870 molecule - the smallest part of a compound that has all the properties of a compound 261917 https://padlet.com/261917/8ei34q7848lh/wish/243549311 2018-03-19 15:02:25 UTC https://padlet.com/261917/8ei34q7848lh/wish/243549311 What is a crystal? 261917 https://padlet.com/261917/8ei34q7848lh/wish/243550969 Crystal - a solid whose atoms are arranged in a definite pattern]]> 2018-03-19 15:04:42 UTC https://padlet.com/261917/8ei34q7848lh/wish/243550969 Halite 261917 https://padlet.com/261917/8ei34q7848lh/wish/243552604 Halite, NaCl, is a compound made from the combination of sodium atoms and chlorine atoms. Ut has a cubic crystal structure. ]]> 2018-03-19 15:06:39 UTC https://padlet.com/261917/8ei34q7848lh/wish/243552604 Can I Always see Crystals? 261917 https://padlet.com/261917/8ei34q7848lh/wish/243555182 No, for two reasons. 
1. Crystals are too small to see due to rapid growth
2. The crystals of a mineral will grow into and through each other when they run out of room.]]> 2018-03-19 15:10:04 UTC https://padlet.com/261917/8ei34q7848lh/wish/243555182 Diamonds or Graphite? 261917 https://padlet.com/261917/8ei34q7848lh/wish/243556818 Diamonds and graphite (aka pencil lead) are both from the element carbon. Did you know the only thing different between graphite and diamonds is the crystal pattern or the way the carbon atoms are bonded?]]> 2018-03-19 15:12:24 UTC https://padlet.com/261917/8ei34q7848lh/wish/243556818 The difference? 261917 https://padlet.com/261917/8ei34q7848lh/wish/243558012 Rocks can have organic matter. Rocks do not have to set proportion of particles to make a crystal pattern.]]> 2018-03-19 15:13:57 UTC https://padlet.com/261917/8ei34q7848lh/wish/243558012 Property: an attribute, quality, or characteristic. 261917 https://padlet.com/261917/8ei34q7848lh/wish/244555304 2018-03-21 14:45:23 UTC https://padlet.com/261917/8ei34q7848lh/wish/244555304 Luster: the way the mineral's surface reflects light 261917 https://padlet.com/261917/8ei34q7848lh/wish/244555819 2018-03-21 14:46:09 UTC https://padlet.com/261917/8ei34q7848lh/wish/244555819 Hardness: Mineral's resistance to being scratched 261917 https://padlet.com/261917/8ei34q7848lh/wish/244557309 A mineral's number indicates its relative hardness. The scale ranges from one, which is the softest, to 10, which is hardest. A mineral of a given hardness will scratch any mineral that is softer than it.

10-Diamond
9-Corundum
8-Topaz/Beryl
7-Quarts
6-Feldspar

]]> 2018-03-21 14:48:24 UTC https://padlet.com/261917/8ei34q7848lh/wish/244557309 Streak: The colour of the mineral in powder form 261917 https://padlet.com/261917/8ei34q7848lh/wish/244560051 Unlike colour, streak is not affected by surface varnish (due to reactions usually with air and water) or impurities (trace elements in the crystal structure which can alter overall colour.]]> 2018-03-21 14:52:04 UTC https://padlet.com/261917/8ei34q7848lh/wish/244560051 Cleavage: tendency to break along smooth, flat surfaces due to the crystal shape 261917 https://padlet.com/261917/8ei34q7848lh/wish/244562426 2018-03-21 14:55:35 UTC https://padlet.com/261917/8ei34q7848lh/wish/244562426 Fracture: Tendency of some minerals to break unevenly along curved or irregular sufaces 261917 https://padlet.com/261917/8ei34q7848lh/wish/244562714 2018-03-21 14:56:02 UTC https://padlet.com/261917/8ei34q7848lh/wish/244562714 261917 https://padlet.com/261917/8ei34q7848lh/wish/244564039 The color of a mineral can give a clue as to what mineral you have. Color is not always reliable for two reasons. First it can be affected by surface tarnish.]]> 2018-03-21 14:58:12 UTC https://padlet.com/261917/8ei34q7848lh/wish/244564039 Density 261917 https://padlet.com/261917/8ei34q7848lh/wish/244566288 Density can help us determine which mineral we have. Minerals containing some metallic elements such as copper, gold, iron, lead, etc, just feel heavier because they contain the dense elements]]> 2018-03-21 15:02:04 UTC https://padlet.com/261917/8ei34q7848lh/wish/244566288 Special properties 261917 https://padlet.com/261917/8ei34q7848lh/wish/244569272 Special properties can help us also identify minerals. These properties may be specific to a few minerals but often require special equipment. 

Fluorescence
Chemical reaction
optical properties
Magnetism
Taste
Radioactivity]]> 2018-03-21 15:06:38 UTC https://padlet.com/261917/8ei34q7848lh/wish/244569272