The word pear has one syllable.
The hardness of lead is about 2.5 on moh's hardness scale. hope this helped wanka
hardness of peridot 7.0 mohs.
We use Mohs scale of mineral hardness to access the hardness of minerals, which calcite is one example.
u can chek the hardness by pH scale...lolz
The fruit of the callery pear tree ( Pyrus calleryana) is called a pear.
The Janka Hardness Scale rates the hardness of hardwood flooring and bamboo as well. You can read more about the Janka Scale and see a list of the Janka Hardness Ratings from FindAnyFloor here http://www.findanyfloor.com/hardwood/JankaHardnessRatings.xhtml
The Janka hardness rating of black walnut is approximately 1,010 pounds-force.
According to the Janka Hardness Scale Acacia rates at 1750 lbs in a sq inch.
Also known as the Callery Pear, it is found mostly in China and Vietnam.
The scientific name of a Cleveland pear is Pyrus calleryana 'Cleveland Select'. It is a cultivar of the Callery pear tree.
The Janka hardness scale measures the resistance of a wood species to wear and denting. However, the blackthorn (Prunus spinosa) is not commonly listed on the Janka hardness scale due to its limited use in commercial applications. In general, blackthorn is known to be a very hard and dense wood, similar to other fruitwoods like cherry and plum, which typically have Janka hardness values ranging from 950 to 1200 pounds-force.
http://surfpick.com/hardness/ This has all the answers
European Oak in many ways in similar on the Janka scale as Ameriacan Oak at 1360.
The hardness rating of black walnut wood is approximately 1,010 pounds-force on the Janka hardness scale.
Rubber tree wood is relatively soft and falls on the lower end of the Janka Wood Hardness Scale. Its hardness varies depending on the specific species of rubber tree, but it is typically in the range of 600-900 lbf (pounds-force).
Callery is in Pennsylvania