hemimorphite

Name:

hemimorphite

A photo of the mineral hemimorphite

Class:

Silicates

Chemistry:

Zn4 Si2O7 (OH)2 · H2O

Color(s):

Clear, white, brown, yellow brown streak: white

Hardness:

5

SpecGrav:

3.4 - 3.5

Fracture:

conchoidal

Cleavage:

perfect

Crystal:

Orthorhombic - Pyramidal - otten bladed or botryoidal

Envronment:

develops at low temperatue in hydrothermal replacement deposits

Association:

,calcite, limonite, aurichalcite, smithsonite

Locals:

| Mexico | England | NM, NJ, USA | Zambia |

Misc:

Named after the hemimorphic nature of the crystals, it has different terminations at each end. The ³hemi² means ³half² and the ³morph² means ³shape². It is also pyroelectric and piezoelectric.

Photos
& Locals:

1.) Chihuahua, Mexico
2.) Chihuahua, Mexico
3.) Chihuahua, Mexico

4.) Chihuahua, Mexico
5.) Chihuahua, Mexico
6.) Chihuahua, Mexico

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Name:	hemimorphite
Class:	Silicates
Chemistry:	Zn4 Si2O7 (OH)2 · H2O
Color(s):	Clear, white, brown, yellow brown streak: white
Hardness:	5	SpecGrav:	3.4 - 3.5
Fracture:	conchoidal	Cleavage:	perfect
Crystal:	Orthorhombic - Pyramidal - otten bladed or botryoidal
Envronment:	develops at low temperatue in hydrothermal replacement deposits
Association:	,calcite, limonite, aurichalcite, smithsonite
Locals:	\| Mexico \| England \| NM, NJ, USA \| Zambia \|
Misc:	Named after the hemimorphic nature of the crystals, it has different terminations at each end. The ³hemi² means ³half² and the ³morph² means ³shape². It is also pyroelectric and piezoelectric.

	Photos & Locals:
		1.) Chihuahua, Mexico 2.) Chihuahua, Mexico 3.) Chihuahua, Mexico		4.) Chihuahua, Mexico 5.) Chihuahua, Mexico 6.) Chihuahua, Mexico

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