Skip to content


Your cart is empty

Article: Howlite


History and Discovery

  • Howlite was discovered in 1868 by Henry How, a Canadian chemist, geologist, and mineralogist.
  • It was initially named silico-boro-calcite by How and later renamed howlite by James Dwight Dana.
  • The discovery of howlite occurred near Windsor, Nova Scotia.
  • Miners in a gypsum quarry alerted How to the unknown mineral.
  • Howlite was considered a nuisance by the miners.


  • Howlite commonly occurs as irregular nodules, resembling cauliflower.
  • Crystals of howlite are rare and have only been found in a few locations worldwide.
  • Tick Canyon in the Sierra Pelona Mountains of California was the first locality where crystals were reported.
  • Another locality where crystals were found is Iona, Nova Scotia.
  • Howlite nodules are white with fine grey or black veins in a web-like pattern.


  • Howlite is frequently used to make decorative objects and jewelry components.
  • Due to its porous texture, howlite can be easily dyed to imitate other minerals, particularly turquoise.
  • It is also sold in its natural state and sometimes referred to as white turquoise or white buffalo turquoise.
  • Howlite is popular for producing jewelry similar to turquoise because it is more durable than the white forms of turquoise.
  • Varieties of white turquoise require stabilization for use in jewelry.


  • Howlite specimens collected from southern California.
  • Polished mass of howlite showing veining.
  • Crystals of howlite from Iona, Nova Scotia.
  • Crystals of howlite from Tick Canyon, California.
  • Howlite artificially colored in blue, marketed as turquenite.

Related Information

  • List of minerals
  • List of minerals named after people
  • Borate minerals
  • Howlite mineral information and data
  • Howlite at Mineral Galleries

Howlite Data Sources

Reference URL
Knowledge Graph

Read more

Index finger

Index finger Anatomy The index finger is also known as the pointing finger. It is the second digit of the hand. The index finger consists of three phalanges. It does not have any muscles of its ow...

Read more

Hope Diamond

Classification and Physical Properties of the Hope Diamond The Hope Diamond is a large, 45.52-carat diamond. It is studded in a pendant called the Toison d'or. It is currently housed in the Nationa...

Read more