B2375

Name: B2375
SKU: B2375
Availability: InStock

$220.00

Boulder opal from the Koroit opal field in Queensland. The solid opal shows green and blue between the light and dark ironstone. Freeform shape. Width 12mm, length 23mm, weight 11.65carats/2.33grams.

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Additional information

Weight	2.33 g
Dimensions	23 × 12 × 11.65 mm

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Circumference mm	Diameter mm	UK/Aust	US	Japan	Europe
37.6	11.97	A	1/2
38.8	12.36	B
38.8	12.37		1
40.0	12.75	C
40.1	12.78		1 1/2
40.8	13.00			1
40.9	13.04				1
41.3	13.14	D
41.5	13.21		2
41.9	13.33			2
41.9	13.35				2
42.5	13.53	E
42.7	13.61		2 1/2
42.9	13.67			3	3
43.7	13.92	F
44.0	14.00			4	4
44.1	14.05		3
44.9	14.31	G
45.0	14.33			5	5
45.4	14.45		3 1/2
46.0	14.65			6	6
46.2	14.70	H
46.7	14.86		4
46.9	14.95				7
47.1	15.00			7
47.4	15.09	I
47.9	15.27		4 1/2		8
48.1	15.33			8
48.6	15.48	J
49.0	15.59				9
49.2	15.66			9
49.3	15.70		5
49.8	15.87	K
49.9	15.90				10
50.2	16.00			10
50.6	16.10		5 1/2
51.0	16.24	L			11
51.3	16.33			11
51.9	16.53		6		12