Occurs mainly as green to greenish white, acicular, fibrous and asbestiform
crystalline aggregates within veins and stringers which form either a criss-cross network or parallel series throughout the rock. The needle-like, or fibre-like crystals which develop approximately perpendicular to and sometimes parallel with the wall of the veins, are most easily obtained from the schistose pebbles and boulders.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Actinolite

1 valid mineral.

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

Porter, Anthony R. D., Jackson, Trevor A., Robinson, Edward (1982) Minerals and Rocks of Jamaica. Jamaica Publishing House. 174 pp.p.32

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

Other Regions, Features and Areas containing this locality

Caribbean PlateTectonic Plate

North America

Central AmericaSubregion

North America Plate

Greater Antilles ArcVolcanic Arc

The CaribbeanRegion

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References

[1]Porter, Anthony R. D., Jackson, Trevor A., Robinson, Edward (1982) Minerals and Rocks of Jamaica. Jamaica Publishing House. 174 pp.p.32

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East Arm of Morant River Actinolite occurrence, Saint Thomas Parish, JamaicaiRegional Level TypesEast Arm of Morant River Actinolite occurrenceRiver Saint Thomas ParishParish JamaicaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }