Millerite meaning

Millerite is a mineral formed by the element sulfur combining with the metal nickel.


Millerite definitions

Word backwards etirellim
Part of speech The word "millerite" is a noun. It refers to a mineral that is a sulfide of nickel.
Syllabic division mil-le-rite
Plural The plural of the word millerite is millerites.
Total letters 9
Vogais (2) i,e
Consonants (4) m,l,r,t

Overview of Millerite

Millerite is a rare mineral that belongs to the nickel sulfide group. It was first discovered in 1832 by Albrecht von Kobell, a German mineralogist, and named after William H. Miller, an English mineralogist. This mineral is commonly found in hydrothermal veins associated with other nickel minerals.

Physical Characteristics

Millerite typically has a brassy yellow color and a metallic luster, although it can sometimes appear greenish or grayish. It forms in acicular or fibrous crystal habits, often occurring in bundles or sheaves. The mineral has a hardness of 3 on the Mohs scale and a specific gravity ranging from 5.3 to 5.6.

Formation and Occurrence

Millerite is formed in hydrothermal veins at moderate temperatures and pressures, often in association with other nickel sulfide minerals such as pentlandite and violarite. It commonly occurs in serpentine, dolostone, and other nickel-rich rocks. The mineral is also found in meteorites, where it is thought to have formed in outer space.

Uses and Significance

While millerite is not commonly used in industrial applications due to its limited availability, it is valued by mineral collectors for its unique crystal habits and associations. The mineral is also of interest to researchers studying the formation of mineral deposits and the conditions under which nickel sulfide minerals form.

Health and Safety Hazards

Millerite is known to be a potential health hazard due to its nickel content. Prolonged exposure to millerite dust or fumes may lead to respiratory issues and skin irritation. Proper safety precautions, such as wearing protective equipment, should be taken when handling this mineral.


Millerite Examples

  1. The mineral millerite is often found in nickel deposits.
  2. Millerite is known for its unique brassy yellow color.
  3. Some collectors seek out millerite specimens for their rarity.
  4. The millerite crystal structure is intricate and beautiful.
  5. Miners discovered a new pocket of millerite in the quarry.
  6. Scientists study millerite to better understand its properties.
  7. Jewelers sometimes use millerite in their designs for a unique look.
  8. The millerite mineral can be found in various locations around the world.
  9. Chemists analyze the composition of millerite samples in the lab.
  10. Some people believe that millerite has spiritual or metaphysical properties.


Most accessed

Search the alphabet

  • #
  • Aa
  • Bb
  • Cc
  • Dd
  • Ee
  • Ff
  • Gg
  • Hh
  • Ii
  • Jj
  • Kk
  • Ll
  • Mm
  • Nn
  • Oo
  • Pp
  • Qq
  • Rr
  • Ss
  • Tt
  • Uu
  • Vv
  • Ww
  • Xx
  • Yy
  • Zz
  • Updated 16/05/2024 - 08:17:04