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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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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
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Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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