Hemimorphite

A variety of Minerals

Uncommon
Hemimorphite specimen - rock identification

What is Hemimorphite?

Most of the time, finding a piece of hemimorphite will garner nothing but a dull beige rock, but occasionally this mineral will present with dazzling azure crystals. Sometimes a single sample will showcase the entire spectrum of colors hemimorphite has to offer, ranging from that beige to up to bright blue. Polished pieces with that coloration are highly collectible among mineral enthusiasts.

Uses & Applications

Hemimorphite is an important ore of zinc, which is an essential metal used to produce batteries, paint, cosmetics, inks, soaps, textiles, rubber, plastics, and much more. This beautiful mineral is also cut into gemstones for jewelry and rare mineral collections.

Healing Properties

Hemimorphite is considered a stone of transformation because it helps one to overcome their own sorrows while changing those feelings into empathy for others. When used during meditation, it is often placed on the Heart, Throat, and Third Eye chakras to bring positive energy to those areas. This practice is said to enhance communication and allow its users to achieve greater joy and appreciation of life.

Optical Properties

Refractive Index
1.614-1.636
Birefringence
0.022
Pleochroism
None
Optical Character
Biaxial positive
Dispersion
0.02

Hemimorphite Market Value Calculator

Estimate the market value of Hemimorphite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Preview only. Full pricing comps and valuation report in the app.

Hemimorphite Localities Map

See where Hemimorphite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Associated Chakras

Heart
Heart
Throat
Throat
Third Eye
Third Eye

Key Characteristics

Formation of Hemimorphite

Hemimorphite most frequently occurs as the product of the oxidation of the upper parts of sphalerite bearing ore bodies, accompanied by other secondary minerals which form the so-called iron cap or gossan. Hemimorphite is an important ore of zinc and contains up to 54.2% of the metal, together with silicon, oxygen and hydrogen. The crystals are blunt at one end and sharp at the other. The regions on the Belgian-German border are well known for their deposits of hemimorphite of metasomatic origin, especially Vieille Montagne in Belgium and Aachen in Germany. Other deposits are in Tarnowskie Góry area in Upper Silesia, Poland; near Phoenixville, Pennsylvania; the Missouri lead-zinc district; Elkhorn, Montana; Leadville, Colorado; and Organ Mountains, New Mexico in the United States; and in several localities in North Africa. Further hemimorphite occurrences are the Padaeng deposit near Mae Sod in western Thailand; Sardinia; Nerchinsk, Siberia; Cave del Predil, Italy; Bleiberg, Carinthia, Austria; Matlock, Derbyshire, England.

More Images

Hemimorphite specimen 2
© Robert M. Lavinsky
Hemimorphite specimen 3
© Robert M. Lavinsky

Quick Facts

Physical Properties

Color
Colorless, white, pale blue, pale green, gray, brown
Hardness (Mohs)
4.5 - 5
Density
3.484 g/cm³
Streak
White
Luster
Pearly, Greasy, Vitreous, Silky, Adamantine
Crystal System
Orthorhombic

Chemical Properties

Chemical Formula
Zn4Si2O7(OH)2 · H2O
Elements
H, O, Si, Zn

Also Known As

HemimorphiteSmithsoniteKieselgalmei
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