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Cassiterite In Quartz Tumbled Stones Medium from Stonebridge Imports
Cassiterite In Quartz Tumbled Stones from Stonebridge Imports
Cassiterite In Quartz Tumbled Stones from Stonebridge Imports
Cassiterite In Quartz Tumbled Stones Medium from Stonebridge Imports

Cassiterite In Quartz Tumbled Stones

Cassiterite is a black mineral composed of tin oxide (SnO2); although very rare yellow-ish translucent gemstone quality of cassiterite also occurs. Another name for Cassiterite is Tinstone, as it is an important tin ore.

These specimens contain cassiterite in a matrix of quartz, some may also contain orange stains that may be iron ore or hematite inclusions.

Cassiterite In Quartz Tumbled Stones

Reviews
$35.00
Delivered Dec 29 - Jan 4

Stone: Cassiterite

Origin: China

Sold by: 50g Bag

Size guide

Tumbled Sizing Chart

Numbers are approximate, stones are natural and vary in shape, density and size. Expect some overlap.

Sold By: 1 lbs Number Of Pieces Unit Size
Tiny 350 to 500 4mm to 6mm
Mini 250 to 350 1/4" to 1/2"
X-Small 141 to 250 1/2'' to 3/4''
Small 61 to 140 3/4'' to 1''
Medium 24 to 60 7/8'' to 1 1/4''
Large 14 to 24 1 1/8'' to 1 1/2''
X-Large 6 to 14 1 1/2'' to 2 1/4''
XX-Large 4 to 6 1 3/4" to 3"

 

Sold By: 1/2 lbs Number Of Pieces Unit Size
Tiny 250 to 350 4mm to 6mm
Mini 130 to 250 1/4" to 1/2"
X-Small 70 to 130 1/2'' to 3/4''
Small 30 to 69 3/4'' to 1''
Medium 12 to 29 7/8'' to 1 1/4''
Large 6 to 12 1 1/8'' to 1 1/2''
X-Large 3 to 6 1 1/2'' to 2 1/4''

Sold By: 1/4 lbs Number Of Pieces Unit Size
X-Small 30 to 70 1/2'' to 3/4''
Small 15 to 30 3/4'' to 1''
Medium 7 to 16 7/8'' to 1 1/4''
Large 2 to 6 1 1/8'' to 1 1/2''

Sold By: 50g Number Of Pieces Unit Size
Mini 29 to 35 1/4" to 1/2"
X-Small 13 to 28 1/2'' to 3/4''
Small 8 to 12 3/4'' to 1''
Medium 4 to 7 7/8'' to 1 1/4''
Large 2 to 3 1 1/8'' to 1 1/2''

Exception for denser stones:

Hematite, Pyrite, Malachite, Garnet, Lodestone, Copper + others

Sold By: 1 lb Number Of Pieces Unit Size
X-Small 27 to 40 1/4" to 3/4"
Small 25 to 45 3/4" to 1"
Medium 18 to 24 7/8" to 1 1/4"
Large 12 to 17 1 1/8'' to 1 1/2''
X-Large 7 to 11 1 1/2'' to 2 1/4''

 

Cassiterite In Quartz Tumbled Stones

Cassiterite is a black mineral composed of tin oxide (SnO2); although very rare yellow-ish translucent gemstone quality of cassiterite also occurs. Another name for Cassiterite is Tinstone, as it is an important tin ore.

These specimens contain cassiterite in a matrix of quartz, some may also contain orange stains that may be iron ore or hematite inclusions.

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