What is antigorite used for?
Antigorite is used as gemstones or for carvings when it appears pure and translucent, although many crystals have black specks of magnetite suspended within. The gem types of antigorite are Bowenite and Williamsite.
What mineral is Clinochlore?
The name chlorite is from the Greek chloros (χλωρός), meaning “green”, in reference to its color….Members of the chlorite group.
| Baileychlore | IMA1986-056 | (Zn,Fe2+,Al,Mg) 6(Al,Si) 4O 10(O,OH) 8 |
|---|---|---|
| Clinochlore | year: 1851 | (Mg,Fe2+) 5Al(Si 3Al)O 10(OH) 8 |
Is antigorite a silicate?
Antigorite [(Mg,Fe)3Si2O5(OH)4] is a hydrous magnesium iron member of the serpentine subgroup with alternating polymerized silicate and brucite-like magnesium octahedral layers.
How do you identify antigorite?
Antigorite is a hard compact type of Serpentine. It occurs in tough pleated masses. The material is usually dark green in colour, but may also be yellowish, gray, brown or black.
Where is Clinochlore found?
Clinochlore, a magnesium aluminum silicate hydroxide mineral of the chlorite group, is found sparsely at both Franklin and Sterling Hill, and in the Franklin Marble.
What type of rock is Clinochlore?
metamorphic
Introduction: clinochlore, a member of the chlorite group, is found typically as a secondary mineral developed in low-grade metamorphic or hydrothermally-altered intermediate and basic igneous rocks and in veins cutting them.
What type of rock is diorite?
Diorite
| Type | Igneous Rock |
|---|---|
| Texture | Phaneritic (Coarse-grained) |
| Origin | Intrusive/Plutonic |
| Chemical Composition | Intermediate |
| Color | Approximately half dark, half white minerals |
Is antigorite a serpentine mineral?
Antigorite is a high-temperature serpentine mineral, forming only above 250°C (Wenner & Taylor, 1974; Evans, 1977). See also the closely related chrysotile and lizardite which are low-temperature serpentine minerals.
Is antigorite high or low temperature?
Antigorite is a high-temperature serpentine mineral, forming only above 250°C (Wenner & Taylor, 1974; Evans, 1977). See also the closely related chrysotile and lizardite which are low-temperature serpentine minerals. Note: Antigorite is not the most common serpentine mineral, although it is a common member of the group.
How many polysomes are there in antigorite?
m = 16 and m = 17 polysomes known. Antigorite is a high-temperature serpentine mineral, forming only above 250°C (Wenner & Taylor, 1974; Evans, 1977). See also the closely related chrysotile and lizardite which are low-temperature serpentine minerals.
Is antigorite the same as lizardite in professional paper 180?
Palache, C. Professional Paper 180 does not discriminate between antigorite or lizardite and neither are mentioned. Palche, C., 1935, The Minerals of franklin and Sterling Hill, Sussex County, New Jersey.