Orthoclase: Buy Loose Orthoclase Gemstones at Affordable Prices fr...

Orthoclase belongs to the feldspar family of minerals, which also includes moonstone, amazonite, spectrolite and labradorite.

Orthoclase is a transparent yellow feldspar resembling citrine quartz or yellow beryl, found primarily in Madagascar. It has a Mohs hardness rating of 6-6.5, so is most suitable for collectors or for pendants, earrings and pins.

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Gemstones A-Z

Buy Orthoclase Gems

1.81 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 6.9 x 5.1 mm

4.11 ct Pink Kunzite, 8.2 x 7.8 mm Octagon Cut From Afghanistan

3 ct Loose Baguette Labradorite, 8.8 x 6.9 mm From Madagascar

1.41 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 4.9 mm

0.55 ct Yellow Sphalerite, 6.1 x 4.2 mm Odd Shaped From Spain

8.98 ct Yellow Quartz, 15.1 x 12.8 mm Carved From Brazil

16.42 ct Baguette Hematite, 16.7 x 11.8 mm From Brazil

2.9 ct Yellow Quartz, 9.2 x 9.1 mm Carved From Brazil

1.08 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16.8 x 3 mm

8.3 carat White Topaz, Square loose Topaz from Brazil, Natural Untreated Gems, 5.1 x 5.1 mm

1.08 carat Trillion Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.3 x 5.3 mm

0.66 ct Loose Cushion Cut Sapphire, 5.6 x 5.6 mm From Madagascar

10.24 ct Fancy Smoky Quartz, 26.1 x 17.5 mm From Brazil

1.62 ct Yellow Beryl, 9.1 x 7 mm Oval Cut From Madagascar

3.59 ct Asscher Cut Rose Quartz, 7.7 x 7.7 mm From South Africa

6.84 ct Yellow Quartz, 14.5 x 8 mm Octagon Cut From Brazil

3.53 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.2 x 4.2 mm

2.47 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 22.6 x 3.6 mm

0.7 ct Yellow Beryl, 7.1 x 5.2 mm Oval Cut From Madagascar

0.98 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7 x 6.8 mm

1.57 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.1 x 8 mm

12.02 ct Oval Tiger's Eye, 18.3 x 13.3 mm From India

0.84 ct Purple Spinel, 6.2 x 5 mm Cushion Cut From Tanzania

4.82 carat Yellow Citrine, Emerald Cut loose Citrine from Bolivia, Natural Untreated Gem, 11 x 8.8 mm

0.04 ct Blue Diamond, 2 mm Diamond Cut From India

1.97 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 7 mm

0.67 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.1 x 4.2 mm

3.02 ct Brown Cat's Eye Apatite, 8.2 mm Round Cut From Kenya

0.77 ct Blue Green Apatite, 7 x 5 mm Oval Cut From Madagascar

31.03 ct Oval Fossil Coral, 22.3 x 12.6 mm From Indonesia

23.41 ct Oval Cat's Eye Aquamarine, 17.3 x 14.6 mm From Nigeria

0.7 ct Round Cut Color-Change Diaspore, 5.1 mm From Turkey

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