Agate Vs. Carnelian

Agate is a very popular gemstone composed of silicon dioxide.^[1] Carnelian is a popular gemstone and its chemical composition is also silicon dioxide.^[2]

Quick Facts on Differences of Agate and Carnelian

For a quick recap of the differences agate and carnelian:

• While both agate and carnelian can be vitreous, in terms of luster, agate can be greasy or waxy.
• While both agate and carnelian can be commonly red, agate is often white and carnelian is often orange.

Quick Facts on Similarities of Agate and Carnelian

The similarities of agate and carnelian include:

• Agate and carnelian both can be opaque, translucent or transparent.
• In terms of crystallography, agate and carnelian both can be hexagonal or trigonal.
• For chemical formulas, agate and carnelian both are SiO2.
• Agate and carnelian both streak white.
• Agate's rarity is similar to carnelian.
• Agate's hardness is similar to carnelian - they both range from 6.5 to 7 on the Moh's scale.
• Agate's specific gravity overlaps with carnelian - agate ranges from 2.6 to 2.64 and carnelian ranges from 2.58 to 2.64.

Summary of Agate

Agate is a mineral that belongs to the quartz family. It is typically found in volcanic rocks and is characterized by its banded appearance, which is caused by the deposition of different minerals in layers. The mineral is identified by its hardness, which ranges from 6.5 to 7 on the Mohs scale, and its translucent to opaque appearance. While agate is typically associated with shades of brown and gray, it can also be found in a variety of colors, including blue, green, pink, purple, and red.

Summary of Carnelian

Carnelian is a mineral that belongs to the chalcedony group of minerals. It is a translucent to opaque stone that is commonly red, brown, or orange in color. It is often used in jewelry and decorative objects due to its attractive appearance and durability.

Table Comparison of Agate vs Carnelian