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Perlite, in its raw state, is silicate (obsidian) rock of volcanic origin. The rock is then crushed. |
When fired in a kiln to a temperature of 850–900 °C, perlite softens (since it is a glass). Water trapped in the structure of the material vapourises and escapes, causing the expansion of the material to 10–18 times its original volume. |
When expanded, the material is a brilliant white colour. |
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Due to its low density, many commercial applications for perlite have developed. In the construction and manufacturing fields, it is used in lightweight plasters, mortars, insulation and ceiling tiles.
In the human health field it will be found in a whole variety of air filters. It is used extensively as an alternative to diatomaceous earth. In horticulture industry, perlite is used as a soil amendment or alone as a medium for hydroponics or for starting cuttings. When used as an additive it helps prevent water loss and soil compaction. Perlite is experiencing a growing popularity worldwide. |
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Name: GINA2010
Tenure No: 705792 View Tenure Ownership: 100% 201542 Price: All reasonable offers considered. Contact: Description: 1 mineral claim comprising 2 cells for a total area of 38.14 hectares. Situated at 53° 51' 38" N, 125° 39' 11" W, on the north/west slope of Dayeezcha Mountain, approximately 4,700 meters south of Uncha Lake, approximately 40 kms south of Burns Lake, British Columbia in 93F.082 on the BC's MTO Mineral Map. MTO Maps: 93F.082 NTS Maps: 93F 13E MinFile No: 093F 026 Other Info: Uncha Lake Prospect - Originally staked in 1953 by C.S. Powney and J. Rasmussen of Fort St. James and their associates, the Uncha Lake perlite prospect has been explored by trenching and limited laboratory processing tests. The property is located northwest slope of Dayeezcha Mountain between 975 and 40 kilometres south of the town of Bums Lake on the 1125 metres elevation. British Columbia Minister of Mines reports indicate that in 1955 Technical Mines Consultants Limited exposed six mineablep erlite layers along a zone 850 metres long and 500 metres wide. The company reported the layers are "irregular in width and attitude, lying interbedded in a folded series of rhyolites striking generally northeast and dipping about 70" to the southeast". James (1955) reports the maximum exposed width of at least two layers exceeds 45 sufficiently narrow to permit practical open-pit mining of two metres, and that in some places interbedded rhyolite is or more layersf rom onep it. Currently the property is inactive and the old trenches are partially filled. Past company records are not available so the following description is based on field observations only. [British Columbia Geological Survey Branch, Geolgical Fieldwork 1989, Paper 1990-1, Perlite and Vermiculite Occurances in British Columbia, By G.V. White] ARIS Report - Uncha lake Perlite Deposit, December 14, 2006 - This detailed report was produced on this exact area by Harrold Oppelt of Inovative Energy Inc., of Langley B.C., Canada. It may be viewed in length at: Perlite ARIS Report 28835 (7.4MB) For any further information please contact: 
Tenure 705792 is staked directly on top of the major testing area. 
There is active logging in the area so road access is available. 
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If you use Google Earth this map is centered on 53° 51' 38" N, 125° 39' 11" W. (I'll send you the email link if you wish) 
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