4.65 Cts Dark Opal With Variscite LO-8463 lightningopals inc

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細節

存貨單位: LO-8463
尺寸（毫米）: 15.7 x 10.7 x 2.6mm
重量 (cts): 4.65
Type: Cabochon, Polished
Shape: Oval
顏色

描述

DARK OPAL WITH VARISCITE

LIGHTNING RIDGE, AUSTRALIA

NATURAL STONE
BEAUTIFUL COLOUR

Variscite is a hydrated aluminium phosphate.

colours range - delicate lime greens to darker,

The most unusual feature of the variscite is its association with gold. Gold is unevenly distributed in the variscite specimens, and ranges from discrete fine grains to visible concentrations in the variscite . There are also larger single grains in the rock matrix. Assays of up to 17 g/t Au have been returned from some samples

Much of the newly mined stone is also webbed....an added bonus as “spiderweb variscite” is a highly sought after material for cutting cabochons.

TRADING AS- TRUEBLUEOPALS PTY LTD/ LIGHTNINGOPALS LLC

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細節

存貨單位: LO-8463
尺寸（毫米）: 15.7 x 10.7 x 2.6 mm
重量 (cts): 4.65
Type: Cabochon, Polished
Shape: Oval
顏色

描述