From Wikipedia, below:
"The quality of wool is determined by its fiber diameter, crimp, yield, color, and staple strength. Fiber diameter is the single most important wool characteristic determining quality and price."
The quality of wool determine by crimp,yield,fiber diameter,colour and
Good quality wool can be any colour.
As far as I can determine, there is no bird called a "Merino". There is a type of sheep called a Merino, and they are prized for the quality of their wool.
Persian carpet have high quality features, this carpet uses Korkwool which last longer than any other wool , cotton and silk. Lastly, there are two basic knots that are used in Persian carpets which are Asymmetric knots and Symmetric knots.
Probably, you can measure the diameter of a wool fibre and get the answer you want.
good quality
warm wool
Merino are a breed of sheep, prized for their high quality wool.
For the highest quality wool mattress pad, try seeking local stores in areas with renown for their wool products that deliver to your home. Many European and Icelandic or Australian companies produce top quality wool and handcrafted wool products and offer international shipping. Many domestic companies offer quality wool mattress pads as well and services like Google's product search and GoCompare.com make comparing prices easy.
Yes wool is strong, this is because sheep drinks water and eat grass. That is the only reason why wool fabric is strong.
yes
Yak wool is naturally resistant to odor. Baby yak wool is becoming the new cashmere, given its ultra-fine , soft feel. Unlike cashmere, it resists pilling, and is 10-15% warmer than merino wool--often touted as the highest-quality benchmark for wool.
The different types of wool are used for different purposes. Some wool that is fine may be used for clothing. Some wool that is more coarse may be used as a filler. The quality is determined by the grading system of micron. The grade given for the wool determines the profit that can be made.