A ruby is considered a hard gemstone, ranking 9 on the Mohs scale of mineral hardness. This makes it one of the hardest natural minerals, second only to diamonds. Its hardness contributes to its durability and makes it suitable for various types of jewelry.
tanzanite I relatively a soft gem compared to sapphire or ruby. it measures 7 on Moh's scale.
Hard
Ruby is classified as a hard gemstone, ranking 9 on the Mohs scale of mineral hardness. This makes it one of the hardest natural minerals, second only to diamond, which ranks 10. Its hardness contributes to its durability and makes it suitable for various types of jewelry.
it is hard and sometimes soft
hard
soft you can bend and hard you can not
"Treated wood can be soft or hard." But, generally what is bought from a lumberyard is soft.
soft
Soft
Well it's not as hard as a diamond
is larch wood soft or hard wood
one is soft and the other is hard