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 Home / Gem Library / Natural Gemstones / Petalite November 25, 2017  


Natural Petalite
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There are 27 Petalite(s) available at Multicolour.com


Most petalite is colorless and glassy looking but some stones are pale yellow and a pink chatoyant specimen has also been reported from South Africa. Little crystalline material is ever available for cutting and faceted stones are uncommon. Large clean stones are always in demand by collectors. The name petalite is derived from the Greek word 'petalos' meaning leaf, an allusion to the cleavage.


Known Facts
Color Key: Colorless, white, gray, yellow, sometimes reddish or greenish white, pink.
Refractive Index: 1.503 - 1.523
Chemical Composition: LiAlSiO4O10
Hardness: 6 - 6.5
Density: 2.3 - 2.5
Crystal Group: Monoclinic
Ocurrence: North Bonneville Wyoming, Greenwood Maine, San Diego County CA, Bolton MA, USA; Uto, Sweeden; Elba, Italy; USSR; Molo, Myanmar; Londonderry, Western Australia; Arassuahy , Brazil; Bikita, Zimbabwe; Karibib, Namibia.

Petalite crystallizes in the monoclinic system. Well formed crystals are rare and most material is massive, tabular, brittle, and cleavable. The luster is vitreous to pearly and the cleavage is perfect in 1 direction.

The name is derived from the Greek petalos, (leaf), in allusion to the cleavage.


Illustrations
Petalite
Check our Top, Largest, Smallest or Latest Petalite's.


Petalite Stats/
Popularity Index: 839133hits
Total Items: 27items
Total Weight: CTS 107.05
Cheapest: USD 44.80
Most Expensive: USD 152.40
Largest: CTS 7.62
Smallest: CTS 2.24
Last Added: 08/17/17 10:24:53

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