(redirected from Optic Axial Angle)
2VValidation (police incident code; New Zealand)
2VOptic Axial Angle (minerology)
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Simple instructions for installation and use are provided in the hardcopy book, and the CD also includes a Mineral ID Calculator that can perform all suggested calculations based on observations in the manual, including specific gravity, symmetry, axial ratio, position in series based on density or refractive index, and optic axial angle (2V).