| Locality type: | Mountain Area |
| Classification |
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| Species: | Actinolite |
| Formula: | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Comments: | Occurs as parallel sprays of crystals included in quartz. |
| Colour: | Light to dark green |
| Significance: | Unusual or interesting association, relationships with other species, pseudomorphism etc. - see notes. |
| Abundance at site: | Very Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals: |
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| Associates: | Quartz
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| Data |
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| Mineral Data: | Click here to view Actinolite data |
| Locality Data: | Click here to view Humpback Mountain Slump Zone, Hansen Creek, Snoqualmie Mining District, King County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1248650 |
| Long-form Identifier: | 1:3:1248650:4 |
| GUID (UUID V4): | 5e844ec1-b2f7-4e4e-aa5f-d4a21e578d08 |
| Nearest other occurrences of Actinolite |
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| 9.0km (5.6 miles) | ⓘChair Peak Skarn, Snoqualmie Mining District, King County, Washington, USA |
| 16.7km (10.4 miles) | ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA |
| 19.5km (12.1 miles) | ⓘGreen Mountain/Bessemer Ridge, Snoqualmie Mining District, King County, Washington, USA |
| 43.3km (26.9 miles) | ⓘBaring Mining District, King County, Washington, USA |
| 45.1km (28.0 miles) | ⓘHalford Railroad Cut, Index Mining District, Snohomish County, Washington, USA |
| 62.9km (39.1 miles) | ⓘBlue Stone Prospect, Sultan Mining District, Snohomish County, Washington, USA |
| 66.7km (41.4 miles) | ⓘMackinaw Mine, Monte Cristo Mining District, Snohomish County, Washington, USA |
| 72.6km (45.1 miles) | ⓘSears Creek, Wenatchee Ridge, Lake Wenatchee, Chelan County, Washington, USA |
| 73.5km (45.7 miles) | ⓘDirtyface Peak, Lake Wenatchee, Chelan County, Washington, USA |
| References |
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